Fix tags glob pattern.

Author: donquixote

.github/workflows/split.yaml

@@ -9,10 +9,11 @@ on:
       - probe
       - '\d+\.x'
       - '\d+\.\d+\.x'
-
-    # see https://github.community/t/how-to-run-github-actions-workflow-only-for-new-tags/16075/10?u=tomasvotruba
     tags:
-      - '^\d+\.\d+\.\d+(|\-(alpha|beta|rc)\d+)$'
+      - '[0-9]+.[0-9]+.[0-9]+'
+      - '[0-9]+.[0-9]+.[0-9]+-alpha[0-9]+'
+      - '[0-9]+.[0-9]+.[0-9]+-beta[0-9]+'
+      - '[0-9]+.[0-9]+.[0-9]+-rc[0-9]+'
 
 jobs:
   packages_split: