monkeysphere: revision bump (perl shebang fix)

Fixes CI failure seen in Homebrew#77228 and various other PRs. Also, update the
license, and use `https` in homepage.

See Homebrew/brew#11286.

License ref:

    https://metadata.ftp-master.debian.org/changelogs//main/m/monkeysphere/monkeysphere_0.44-1_copyright

Formula/monkeysphere.rb

@@ -1,9 +1,10 @@
 class Monkeysphere < Formula
   desc "Use the OpenPGP web of trust to verify ssh connections"
-  homepage "http://web.monkeysphere.info/"
+  homepage "https://web.monkeysphere.info/"
   url "https://deb.debian.org/debian/pool/main/m/monkeysphere/monkeysphere_0.44.orig.tar.gz"
   sha256 "6ac6979fa1a4a0332cbea39e408b9f981452d092ff2b14ed3549be94918707aa"
-  revision 3
+  license "GPL-3.0-or-later"
+  revision 4
   head "git://git.monkeysphere.info/monkeysphere"
 
   livecheck do