update git URLs (git -> https; gitea)

Change-Id: I122aa939df79663a4f226565b32524b2bfdf7c68
diff --git a/debian/control b/debian/control
index 2ca9a13..c39ce0a 100644
--- a/debian/control
+++ b/debian/control
@@ -11,8 +11,8 @@
                libosmo-abis-dev (>= 1.2.0),
                osmo-gsm-manuals-dev (>= 1.2.0)
 Standards-Version: 3.9.8
-Vcs-Git: git://git.osmocom.org/osmo-mgw.git
-Vcs-Browser: https://git.osmocom.org/osmo-mgw/
+Vcs-Git: https://gitea.osmocom.org/cellular-infrastructure/osmo-mgw
+Vcs-Browser: https://gitea.osmocom.org/cellular-infrastructure/osmo-mgw
 Homepage: https://osmocom.org/projects/osmo-mgw
 
 Package: osmo-mgw