remove prefix from git tag patterns

Author: steezeburger

.github/workflows/docker.yml

@@ -6,10 +6,10 @@ on:
   workflow_dispatch:
   push:
     tags:
-      - "**-v[0-9]+.[0-9]+.[0-9]+"
-      - "**-v[0-9]+.[0-9]+.[0-9]+-alpha.[0-9]+"
-      - "**-v[0-9]+.[0-9]+.[0-9]+-beta.[0-9]+"
-      - "**-v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-alpha.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-beta.[0-9]+"
+      - "v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+"
 
 env:
   REGISTRY: ghcr.io