ci: Add name of updated parsers to commit message

Fixes #3962

.github/workflows/update-lockfile.yml

@@ -24,6 +24,9 @@ jobs:
           wget https://github.com/stedolan/jq/releases/download/jq-1.6/jq-linux64
           mv ./jq-linux64 /tmp/jq
           chmod +x /tmp/jq
+          wget https://github.com/josephburnett/jd/releases/download/v1.6.1/jd-amd64-linux
+          mv ./jd-amd64-linux /tmp/jd
+          chmod +x /tmp/jd
           sudo apt install libfuse2
           wget https://github.com/neovim/neovim/releases/download/${NVIM_TAG}/nvim.appimage
           chmod u+x nvim.appimage
@@ -34,6 +37,7 @@ jobs:
         env:
           SKIP_LOCKFILE_UPDATE_FOR_LANGS: verilog,gleam,nix
         run: |
+          cp lockfile.json /tmp/old_lockfile.json
           ./nvim.appimage --headless -c "luafile ./scripts/write-lockfile.lua" -c "q"
           # Pretty print
           cp lockfile.json /tmp/lockfile.json
@@ -44,14 +48,15 @@ jobs:
           git config user.name "GitHub"
           git config user.email "noreply@github.com"
           git add lockfile.json
-          git commit -m "Update lockfile.json" || echo 'No commit necessary!'
+          UPDATED_PARSERS=$(echo $(/tmp/jd -set /tmp/old_lockfile.json lockfile.json | grep @ | sed 's/","revision"\]//' |  sed 's/@ \["//') | sed 's/ /, /g')
+          echo "UPDATED_PARSERS=$UPDATED_PARSERS" >> $GITHUB_ENV
+          git commit -m "Update parsers: $UPDATED_PARSERS" || echo 'No commit necessary!'
           git clean -xf
 
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3
         with:
-          commit-message: Update lockfile.json
-          title: Update lockfile.json
+          title: "Update lockfile.json: ${{ env.UPDATED_PARSERS }}"
           branch: update-lockfile-pr
           base: ${{ github.head_ref }}
           draft: true