Add missing needs

Author: t-sommer

.github/workflows/build.yml

@@ -94,6 +94,7 @@ jobs:
   create-release:
     runs-on: ubuntu-22.04
     if: startsWith(github.ref, 'refs/tags/v')
+    needs: [build-modelica-library, build-python-wheel]
     steps:
       - uses: actions/github-script@v4
         id: get_version