chore: include devcontainer.json files in automatic vscode extension update

This PR adds support for updating the extension not only in the target containers' metadata, but also in the container definition that is used to develop the containers.

Author: rjaegers

.github/workflows/update-dependencies.yml

@@ -49,6 +49,7 @@ jobs:
     strategy:
       matrix:
         flavor: ["cpp", "rust"]
+        file: ["devcontainer-metadata-vscode.json", "devcontainer.json"]
     permissions:
       contents: write
       pull-requests: write
@@ -62,22 +63,22 @@ jobs:
       - uses: ./.github/actions/update-vscode-extensions
         id: update-extensions
         with:
-          input-file: .devcontainer/${{ matrix.flavor }}/devcontainer-metadata-vscode.json
+          input-file: .devcontainer/${{ matrix.flavor }}/${{ matrix.file }}
       - uses: actions/create-github-app-token@a8d616148505b5069dccd32f177bb87d7f39123b # v2.1.1
         id: token
         with:
           app-id: ${{ vars.FOREST_RELEASER_APP_ID }}
           private-key: ${{ secrets.FOREST_RELEASER_APP_PRIVATE_KEY }}
       - uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
         with:
-          commit-message: "Update ${{ join(fromJson(steps.update-extensions.outputs.updated-dependencies), ', ') }}"
-          branch: feature/amp-devcontainer-${{ matrix.flavor }}/update-vscode-extensions
+          commit-message: "Update ${{ join(fromJson(steps.update-extensions.outputs.updated-dependencies), ', ') }} in ${{ matrix.file }}"
+          branch: feature/amp-devcontainer-${{ matrix.flavor }}/update-vscode-extensions-${{ matrix.file }}
           body: |
             > [!NOTE]
             > Before merging this PR, please conduct a manual test checking basic functionality of the updated plug-ins. There are limited automated tests for the VS Code Extension updates.
 
             ${{ steps.update-extensions.outputs.markdown-summary }}
-          title: "chore(deps, ${{ matrix.flavor }}): update ${{ join(fromJson(steps.update-extensions.outputs.updated-dependencies), ', ') }}"
+          title: "chore(deps, ${{ matrix.flavor }}): update ${{ join(fromJson(steps.update-extensions.outputs.updated-dependencies), ', ') }} in ${{ matrix.file }}"
           labels: dependencies,vscode-extensions
           token: ${{ steps.token.outputs.token }}
           sign-commits: true