ci: add yaml linting

Author: lotyp

.github/workflows/coding-standards.yml

@@ -19,7 +19,7 @@ jobs:
       pull-requests: read
     steps:
       - name: 📦 Check out the codebase
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.5
 
       - name: 🧐 Lint commits using "commitlint"
         uses: wagoid/commitlint-github-action@v6.0.1
@@ -29,6 +29,23 @@ jobs:
           failOnErrors: false
           helpURL: 'https://github.com/conventional-changelog/commitlint/#what-is-commitlint'
 
+  yaml-linting:
+    timeout-minutes: 4
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+    steps:
+      - name: 📦 Check out the codebase
+        uses: actions/checkout@v4.1.5
+
+      - name: 🧐 Lint YAML files
+        uses: ibiqlik/action-yamllint@v3.1.1
+        with:
+          config_file: .yamllint.yaml
+          file_or_dir: '.'
+          strict: true
+
   markdown-linting:
     timeout-minutes: 4
     runs-on: ubuntu-latest
@@ -37,7 +54,7 @@ jobs:
       group: markdown-linting-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
     steps:
       - name: 📦 Check out the codebase
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.5
 
       - name: 🧐 Lint Markdown files
         uses: DavidAnson/markdownlint-cli2-action@v16.0.0