Pretty print lockfile.json

.github/workflows/update-parsers-pr.yml

@@ -18,6 +18,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo add-apt-repository universe
+          sudo apt-get install -y jq
           wget https://github.com/neovim/neovim/releases/download/nightly/nvim.appimage
           chmod u+x nvim.appimage
           mkdir -p ~/.local/share/nvim/site/pack/nvim-treesitter/start
@@ -26,6 +27,9 @@ jobs:
       - name: Update parsers
         run: |
           ./nvim.appimage --headless -c "luafile ./scripts/write-lockfile.lua" -c "q"
+          # Pretty print
+          cp lockfile.json /tmp/lockfile.json
+          cat /tmp/lockfile.json | jq --sort-keys > lockfile.json
 
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3