Drop the release Helm chart and changelog PR

.github/workflows/publish.yaml

@@ -70,35 +70,3 @@ jobs:
           out-file-path: "release-packages"
 
       - run: npm run publish:docker
-
-  repo:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write # To push the branch.
-      pull-requests: write # To open the PR.
-    env:
-      GH_TOKEN: ${{ github.token }}
-      TAG: ${{ inputs.version || github.ref_name }}
-    needs: docker
-
-    steps:
-      - name: Set version to tag without leading v
-        run: |
-          echo "VERSION=${TAG#v}" >> $GITHUB_ENV
-
-      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
-
-      - run: ./ci/build/update-repo.sh
-
-      - name: Open PR
-        run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git checkout -b "helm/$VERSION"
-          git add .
-          git commit -m "Update Helm chart and changelog with $VERSION"
-          git push -u origin "$(git branch --show)"
-          gh pr create \
-            --repo "$GITHUB_REPOSITORY" \
-            --body-file .cache/checklist \
-            --title "Update Helm chart and changelog with $VERSION"

docs/MAINTAINING.md

@@ -33,8 +33,10 @@ Most of the work is keeping on top of issues and discussions.
    to a draft release.
 5. Update the resulting draft release with the changelog contents.
 6. Publish the draft release after validating it.
-7. Update the changelog with the release date and bump the Helm chart version
-   once the Docker images have published.
+7. Once the Docker image has published, update the changelog with the release
+   date and bump the Helm chart version by hand. Nothing in CI does this; the
+   chart is not published anywhere, so it only matters if you install from a
+   checkout of this repository.
 
 #### Release Candidates