Fix broken url in editors.md (#3885)

* Fix broken url in editors.md

Update a link pointing to the Arch Linux repos.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

docs/integrations/editors.md

@@ -288,8 +288,8 @@ $ git checkout origin/stable -b stable
 ##### Arch Linux
 
 On Arch Linux, the plugin is shipped with the
-[`python-black`](https://archlinux.org/packages/community/any/python-black/) package, so
-you can start using it in Vim after install with no additional setup.
+[`python-black`](https://archlinux.org/packages/extra/any/python-black/) package, so you
+can start using it in Vim after install with no additional setup.
 
 ##### Vim 8 Native Plugin Management