ci: install all dependency groups in release proposal workflow

Change from --group release to --all-groups to ensure all dependencies
are available for the release proposal script.
e

Author: RonnyPfannschmidt

.github/workflows/release-proposal.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          uv sync --all-packages --group release
+          uv sync --all-packages --all-groups
 
       - name: Configure git
         if: github.event_name == 'push'