build(validation): add abi validation for new pull requests

Author: Aliorpse

.github/workflows/pr_validation.yml

@@ -0,0 +1,25 @@
+name: PR Validation
+
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Grant execute permission to gradlew
+        run: chmod +x ./gradlew
+
+      - name: Set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: zulu
+          java-version: 21
+          cache: 'gradle'
+
+      - name: ABI Validation
+        run: ./gradlew checkLegacyAbi -Pfull-build=true --no-configuration-cache