Integrate AGLint (#142529)

* Install and configre AGLint

* Configure Dependabot

* AGLint workflow

* Send Slack notifications on failure

* Badges

* Simpler workflow name

* Update AGLint to v1.0.10

* Delete .aglintrc.yml

* Update aglint.yml

* Update AGLint to v1.0.11

* Create .aglintrc.yaml

.github/dependabot.yml

@@ -0,0 +1,13 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  # Maintain dependencies for NPM
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "daily"