fix: update tag extractor to support prereleases

Author: sevenzing

.github/workflows/_docker-build-push.yml

@@ -48,7 +48,7 @@ jobs:
         id: regex
         with:
           text: ${{ github.ref }}
-          regex: '^(refs\/tags\/${{ inputs.service-name }}\/(v\d+\.\d+\.\d+))|(refs\/heads\/(main))$'
+          regex: '^(refs\/tags\/${{ inputs.service-name }}\/v([^\/]+))|(refs\/heads\/(main))$'
 
       - name: Extract tag name
         id: tags_extractor