[CI] Add Fabbot as a GitHub Actions

Author: Kocal

.github/workflows/fabbot.yaml

@@ -0,0 +1,14 @@
+name: Fabbot
+
+on:
+    pull_request:
+
+permissions:
+    contents: read
+
+jobs:
+    call-fabbot:
+        name: Fabbot
+        uses: symfony-tools/fabbot/.github/workflows/fabbot.yml@main
+        with:
+            package: Symfony UX