Update tag check to allow beta releases

Author: GDYendell

.github/workflows/_release.yaml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - name: Check tag
         run: |
-          if [[ ! "${GITHUB_REF_NAME}" =~ ^([a-z0-9]+(-[a-z0-9]+)*)@([0-9]+\.[0-9]+\.[0-9]+)$ ]]; then
+          if [[ ! "${GITHUB_REF_NAME}" =~ ^[a-z0-9]+(-[a-z0-9]+)*@[0-9]+\.[0-9]+\.[0-9]+(-?(alpha|beta|rc)[0-9]+)?$ ]]; then
             echo "Invalid tag format: '${GITHUB_REF_NAME}'. Expected 'kebab-case@semver', e.g., '[email protected]'"
             exit 1
           fi