slack-desktop: update to 3.0.5.

Closes: #11563 [via git-merge-pr]

srcpkgs/slack-desktop/template

@@ -1,6 +1,6 @@
 # Template file for 'slack-desktop'
 pkgname=slack-desktop
-version=3.0.2
+version=3.0.5
 revision=1
 only_for_archs="x86_64"
 short_desc="A messaging app for teams"
@@ -10,7 +10,7 @@ homepage="https://slack.com/"
 repository="nonfree"
 restricted=yes
 nopie=yes
-checksum=0583b70098c55346a3218754d29055119209e1e5f61b2b4bbe2b6ffdc9e27af0
+checksum=1a49e8e83d950b517a5921c5780ddd19e5a9b1ec7787bc1fd8e5b214422d358e
 distfiles="https://slack-ssb-updates.global.ssl.fastly.net/linux_releases/slack-desktop-${version}-amd64.deb"
 
 do_extract() {