Improve asgardeo docs release workflow

Author: ashensw

.github/workflows/release-asgardeo-docs.yml

@@ -48,6 +48,7 @@ jobs:
           NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
           echo "New version: $NEW_VERSION"
           echo "NEW_VERSION=$NEW_VERSION" >> $GITHUB_ENV
+          echo "$NEW_VERSION" > VERSION
         shell: bash
 
       - name: Build MkDocs Documentation