slack-desktop: update to 3.3.1. (#2397)

srcpkgs/slack-desktop/template

@@ -1,6 +1,6 @@
 # Template file for 'slack-desktop'
 pkgname=slack-desktop
-version=3.2.1
+version=3.3.1
 revision=1
 only_for_archs="x86_64"
 short_desc="Messaging app for teams"
@@ -10,7 +10,7 @@ repository="nonfree"
 restricted=yes
 homepage="https://slack.com/"
 distfiles="https://slack-ssb-updates.global.ssl.fastly.net/linux_releases/${pkgname}-${version}-amd64.deb"
-checksum=503995fe48cdb435a479669971e2a7ea7223428adc3c4f9fee94dbbdf9bcad24
+checksum=11c3294a68a0e5f0d36d90460c4e0b61629305e0217ec9ea058c3b222e25c3a1
 nopie=yes
 
 do_extract() {