Enable prettier on YAML files (#2250)

This change will ensure that YAML files are using a consistent
formatting and will reformat (normalize) them if needed.

Related:

.github/labeler.yml

@@ -48,7 +48,6 @@ eslintrcjson:
 gitignore:
   - ".gitignore"
   - ".gitattributes"
-
 # Do not add "api", "schema" and "test" directories.
 # Those are the usual commit. No need for extra attention.
 # src/api/**/*

.github/workflows/lint.yml

@@ -11,3 +11,18 @@ jobs:
         uses: actions/checkout@v3
       - name: Check for editorconfig violations
         uses: editorconfig-checker/action-editorconfig-checker@v1
+
+      # Enablement of https://pre-commit.ci is desirable as it also
+      # enable auto-fixes for formatting violations. Still we still want to run
+      # our own github action, just in case the external service becomes
+      # unavailable.
+      - uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+      - name: Install pre-commit
+        run: |
+          python3 -m pip install --upgrade pip
+          python3 -m pip install --upgrade pre-commit
+      - name: Run pre-commit
+        run: |
+          pre-commit run --all-files

.github/workflows/nodejs.yml

@@ -4,7 +4,6 @@ on: [push, pull_request]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     timeout-minutes: 10
 
@@ -12,8 +11,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
-          cache: 'npm'
+          node-version: "16"
+          cache: "npm"
           cache-dependency-path: src/package-lock.json
       - name: npm ci
         run: |
@@ -23,4 +22,3 @@ jobs:
         run: |
           cd src
           npm run build
-