Update Vcs fields for migration to https://salsa.debian.org/

debian/control

@@ -37,9 +37,9 @@ Build-Depends: autoconf,
                unicode-data,
                valac (>= 0.16)
 Standards-Version: 3.9.8
-Homepage: https://github.com/ibus/ibus/releases
-Vcs-Git: https://anonscm.debian.org/git/pkg-ime/ibus.git
-Vcs-Browser: https://anonscm.debian.org/cgit/pkg-ime/ibus.git
+Vcs-Browser: https://salsa.debian.org/debian/ibus
+Vcs-Git: https://salsa.debian.org/debian/ibus.git
+Homepage: https://github.com/ibus/ibus
 
 Package: ibus
 Architecture: any