[smuxi] README.md: bump GTK# version and update Debian URL

[Mirco M. M. Bauer <mmmbauer src gnome org>]

commit 668f2e866b22a1046d5729cd2c2b84939b146834
Author: Mirco Bauer <meebey meebey net>
Date:   Sat Mar 26 07:30:18 2022 +0800

    README.md: bump GTK# version and update Debian URL

 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/README.md b/README.md
index 73196006..55d751a5 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Build tools & libraries:
 * Nini (>= 1.1)
 * log4net
 * SQLite3
-* GTK# (>= 2.10) (optional, but required for the GNOME frontend)
+* GTK# (>= 2.12.39) (optional, but required for the GNOME frontend)
 * Notify# (optional)
 * Indicate# / MessagingMenu# (optional)
 * DBus# / NDesk.DBus (optional)
@@ -62,4 +62,4 @@ via `sudo add-apt-repository -y ppa:meebey/smuxi-daily && sudo apt update`).
 The official (downstream) Debian packaging can be found on [here][].
 
   [launchpad]: https://launchpad.net/~meebey/+archive/smuxi-daily
-  [here]: http://git.debian.org/?p=pkg-cli-apps/packages/smuxi.git
+  [here]: https://salsa.debian.org/dotnet-team/smuxi