make validate tag step more verbose

this step is part of the deploy-workflow.
It now echos the releasetag that is used in the if-statement

.github/workflows/publish.yaml

@@ -38,7 +38,8 @@ jobs:
             pip install setuptools wheel twine
       - name: get infos from Tag
         run: |
-          if [[ $RELEASE_TAG =~ (([0-9]+)\.([0-9]+)\.([0-9]+))([-./]dev([0-9]+))? ]]
+          echo "RELEASE_TAG=${RELEASE_TAG}"
+          if [[ $RELEASE_TAG =~ (([0-9]+)\.([0-9]+)\.([0-9]+))([-./]dev([0-9]+))?$ ]]
           then
             echo "VERSION=${BASH_REMATCH[0]}" | tee $GITHUB_ENV
             echo "VERSION_MAJOR=${BASH_REMATCH[2]}" | tee $GITHUB_ENV