Fix broken debian/watch

debian/changelog

+ibus-m17n (1.4.3-2) UNRELEASED; urgency=medium
+
+  * Fix broken debian/watch
+
+ -- Gunnar Hjalmarsson <[email protected]>  Tue, 01 Jun 2021 13:48:29 +0200
+
 ibus-m17n (1.4.3-1) unstable; urgency=medium
 
   * Team upload.

debian/watch

 version=3
-opts=filenamemangle=s#.*/archive/([\d.]+\.tar\.[gx]z)#ibus-m17n-$1# \
+opts=filenamemangle=s#.*/([\d.]+\.tar\.[gx]z)#ibus-m17n-$1# \
 https://github.com/ibus/ibus-m17n/releases \
-/ibus/ibus-m17n/archive/([\d.]+)\.tar\.[gx]z debian uupdate
+.*/([\d.]+)\.tar\.[gx]z debian uupdate