niv stable: update a84b797b -> 2b417708

## Motivation

Dependencies should be up to date.

## Changelog for stable:
Commits: [NixOS/nixpkgs@a84b797b...2b417708](NixOS/nixpkgs@a84b797...2b41770)

* [`4a41762c`](NixOS/nixpkgs@4a41762) silence warning from NixOS/nixpkgs#63103 in encrypted-devices.nix
* [`fc9ca529`](NixOS/nixpkgs@fc9ca52) ssm-session-manager-plugin: init at 1.1.61.0
* [`88306909`](NixOS/nixpkgs@8830690) samba: 4.11.5 -> 4.11.9
* [`5cd1d383`](NixOS/nixpkgs@5cd1d38) firmwareLinuxNonfree: 2020-01-22 -> 2020-05-19
* [`cd6ea1df`](NixOS/nixpkgs@cd6ea1d) xpra: fix NixOS/nixpkgs#85694
* [`79ac3258`](NixOS/nixpkgs@79ac325) xpra: fix NixOS/nixpkgs#41106
* [`82ef74d0`](NixOS/nixpkgs@82ef74d) xpra: adjust patches
* [`90057c5b`](NixOS/nixpkgs@90057c5) jool: 4.0.5 -> 4.0.9
* [`392b8bc9`](NixOS/nixpkgs@392b8bc) nixos-artwork: add file path attributes
* [`20bfce50`](NixOS/nixpkgs@20bfce5) nixos/lightdm: change background type to path
* [`489ebe45`](NixOS/nixpkgs@489ebe4) nixos/gnome3: install nixos wallpapers
* [`b2bd9376`](NixOS/nixpkgs@b2bd937) nixos/pantheon: install nixos wallpaper
* [`4a644cc7`](NixOS/nixpkgs@4a644cc) sympa: 6.2.54 -> 6.2.56
* [`2678e4fc`](NixOS/nixpkgs@2678e4f) pantheon.appcenter: 3.2.4 -> 3.3.0
* [`9fdefdc9`](NixOS/nixpkgs@9fdefdc) pantheon.switchboard: 2.3.9 -> 2.4.0
* [`016f42b3`](NixOS/nixpkgs@016f42b) pantheon.elementary-icon-theme: 5.2.0 -> 5.3.0
* [`3b4dbf34`](NixOS/nixpkgs@3b4dbf3) pantheon.granite: 5.3.1 -> 5.4.0
* [`c064cd05`](NixOS/nixpkgs@c064cd0) pantheon.wingpanel-applications-menu: 2.6.0 -> 2.7.0
* [`c0c768b6`](NixOS/nixpkgs@c0c768b) pantheon.gala: 3.3.1 -> 3.3.2
* [`044c9a43`](NixOS/nixpkgs@044c9a4) pantheon.appcenter: 3.3.0 -> 3.4.0
* [`3c96a131`](NixOS/nixpkgs@3c96a13) pantheon.elementary-icon-theme: 5.3.0 -> 5.3.1
* [`adacfd02`](NixOS/nixpkgs@adacfd0) pantheon.elementary-calendar: 5.0.4 -> 5.0.5
* [`d71bdb2e`](NixOS/nixpkgs@d71bdb2) pantheon.elementary-files: 4.4.2 -> 4.4.3
* [`adca4a37`](NixOS/nixpkgs@adca4a3) pantheon.sideload: 1.1.0 -> 1.1.1
* [`85146f0f`](NixOS/nixpkgs@85146f0) pantheon.elementary-greeter: 5.0.3 -> 5.0.4
* [`8f24062f`](NixOS/nixpkgs@8f24062) pantheon.pantheon-agent-polkit: 1.0.1 -> 1.0.2
* [`0d8445d0`](NixOS/nixpkgs@0d8445d) pantheon.wingpanel-indicator-network: 2.2.3 -> 2.2.4
* [`4a25ae59`](NixOS/nixpkgs@4a25ae5) pantheon.wingpanel-applications-menu: 2.7.0 -> 2.7.1
* [`ae8c62cb`](NixOS/nixpkgs@ae8c62c) pantheon.elementary-shortcut-overlay: 1.1.1 -> 1.1.2
* [`ac21fd75`](NixOS/nixpkgs@ac21fd7) pantheon.elementary-onboarding: 1.2.0 -> 1.2.1
* [`df72656b`](NixOS/nixpkgs@df72656) pantheon.switchboard-plug-about: 2.6.2 -> 2.6.3
* [`77804794`](NixOS/nixpkgs@7780479) pantheon.switchboard-plug-bluetooth: 2.3.1 -> 2.3.2
* [`34ce3952`](NixOS/nixpkgs@34ce395) pantheon.switchboard-plug-datetime: 2.1.7 -> 2.1.9
* [`d3805ad5`](NixOS/nixpkgs@d3805ad) pantheon.switchboard-plug-display: 2.2.1 -> 2.2.2
* [`489245ed`](NixOS/nixpkgs@489245e) pantheon.switchboard-plug-mouse-touchpad: 2.4.1 -> 2.4.2
* [`68d7569d`](NixOS/nixpkgs@68d7569) pantheon.switchboard-plug-network: 2.3.0 -> 2.3.1
* [`e40d5b5f`](NixOS/nixpkgs@e40d5b5) pantheon.switchboard-plug-notifications: 2.1.6 -> 2.1.7
* [`d8cac264`](NixOS/nixpkgs@d8cac26) pantheon.switchboard-plug-power: 2.4.1 -> 2.4.2
* [`5421f401`](NixOS/nixpkgs@5421f40) pantheon.switchboard-plug-printers: 2.1.8 -> 2.1.9
* [`003af9ca`](NixOS/nixpkgs@003af9c) pantheon.switchboard-plug-security-privacy: 2.2.3 -> 2.2.4
* [`b3a58026`](NixOS/nixpkgs@b3a5802) pantheon.switchboard-plug-sound: 2.2.3 -> 2.2.4
* [`1763fe3f`](NixOS/nixpkgs@1763fe3) microcodeIntel: 20200508 → 20200520
* [`57f7f175`](NixOS/nixpkgs@57f7f17) microcodeIntel: 20200520 -> 20200609
* [`3f31c0d2`](NixOS/nixpkgs@3f31c0d) nixos/sympa: fix PATH_INFO splitting for sympa-6.2.56
* [`807d383c`](NixOS/nixpkgs@807d383) palemoon: 28.9.3 -> 28.10.0
* [`098fdc6b`](NixOS/nixpkgs@098fdc6) treewide: central.maven.org -> repo1.maven.org
* [`b0bfe9b5`](NixOS/nixpkgs@b0bfe9b) chromium: Build with VA-API but disable it by default
* [`0d8250ae`](NixOS/nixpkgs@0d8250a) chromium: 83.0.4103.97 -> 83.0.4103.106
* [`70ecf772`](NixOS/nixpkgs@70ecf77) graylog: 3.3.0 -> 3.3.1
* [`60da5edb`](NixOS/nixpkgs@60da5ed) graylogPlugins: Update plugins
* [`02b95cf5`](NixOS/nixpkgs@02b95cf) strace-graph: fix strace-graph shebang which points to perl
* [`dce9ef51`](NixOS/nixpkgs@dce9ef5) youtube-dl: 2020.06.06 -> 2020.06.16.1
* [`c27866c8`](NixOS/nixpkgs@c27866c) microcodeIntel: 20200609 -> 20200616
* [`724d123a`](NixOS/nixpkgs@724d123) riot-web: 1.6.4 -> 1.6.5
* [`8ab112eb`](NixOS/nixpkgs@8ab112e) riot-desktop: 1.6.4 -> 1.6.5
* [`b2a6d2fa`](NixOS/nixpkgs@b2a6d2f) linuxPackages.wireguard: 1.0.20200520 -> 1.0.20200611
* [`243f698a`](NixOS/nixpkgs@243f698) vagrant: 2.2.8 -> 2.2.9
* [`c5fd298d`](NixOS/nixpkgs@c5fd298) vlc: 3.0.8 -> 3.0.11 (security)
* [`bb4fd7eb`](NixOS/nixpkgs@bb4fd7e) haskellPackages.geojson: Unmark as broken
* [`583ccf8c`](NixOS/nixpkgs@583ccf8) Don't enable nix-bash-completions when using Nix 2.4
* [`80b50f32`](NixOS/nixpkgs@80b50f3) fwupd: add patch for CVE-2020-10759
* [`725c4fdb`](NixOS/nixpkgs@725c4fd) google-chrome: add coreutils to PATH
* [`9e379117`](NixOS/nixpkgs@9e37911) xdg_utils: xdg-open: add $out to PATH
* [`73d7516c`](NixOS/nixpkgs@73d7516) matrix-synapse: 1.14.0 -> 1.15.1
* [`f70a5992`](NixOS/nixpkgs@f70a599) nixos/gnome3: nixos-artwork -> pkgs.nixos-artwork
* [`87cde1cf`](NixOS/nixpkgs@87cde1c) pantheon.elementary-code: 3.4.0 -> 3.4.1
* [`30c703cb`](NixOS/nixpkgs@30c703c) nixos/sudo: default rule should be first
* [`788764b1`](NixOS/nixpkgs@788764b) transmission: patch CVE-2018-10756
* [`2b417708`](NixOS/nixpkgs@2b41770) Remove Google Talk Plugin

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a84b797b28eb104db758b5cb2b61ba8face6744b",
-        "sha256": "0f3s0m3bdd857s7zrgghl6vmj3hjqfaqcnd7sg33fzwakagwy0fp",
+        "rev": "2b417708c282d84316366f4125b00b29c49df10f",
+        "sha256": "0426qaxw09h0kkn5zwh126hfb2j12j5xan6ijvv2c905pqi401zq",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/a84b797b28eb104db758b5cb2b61ba8face6744b.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/2b417708c282d84316366f4125b00b29c49df10f.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "stack2nix": {