Run repo workflow on tag (#258)

This commit modifies the repository workflow tempalte to run
also on tag runs which was missing.

Signed-off-by: Adolfo Garcia Veytia (puerco) <puerco@carabiner.dev>

Author: puerco

pkg/sourcetool/backends/vcs/github/manage.go

@@ -37,6 +37,7 @@ name: SLSA Source
 on:
   push:
     branches: [ %s ]
+    tags: ['**']
 permissions: {}
 
 jobs: