fix tag

.github/workflows/ci.yaml

@@ -47,6 +47,6 @@ jobs:
       - name: create tag
         if: github.ref_name == 'main'
         run: |
-          version = var=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
+          version = var=$(./mvnw help:evaluate -Dexpression=project.version -q -DforceStdout)
           git tag ${version} -m "release ${version}"
           git push origin ${version}