CI accepts four-part tags (v1.2.3.1) for fixes

.gitea/workflows/publish.yml

@@ -71,6 +71,9 @@ jobs:
           tags: |
             type=ref,event=branch
             type=semver,pattern={{version}}
+            # A fix to release 1.2.3 is tagged v1.2.3.1: four numbers are not semver, so
+            # the pattern above makes no tag for it; this one does (image tag 1.2.3.1).
+            type=match,pattern=v(\d+\.\d+\.\d+\.\d+),group=1
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
             type=sha,format=short

.github/workflows/publish.yml

@@ -43,6 +43,9 @@ jobs:
           tags: |
             type=ref,event=branch
             type=semver,pattern={{version}}
+            # A fix to release 1.2.3 is tagged v1.2.3.1: four numbers are not semver, so
+            # the pattern above makes no tag for it; this one does (image tag 1.2.3.1).
+            type=match,pattern=v(\d+\.\d+\.\d+\.\d+),group=1
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
             type=sha,format=short