Added CI validation to ensure protos/cre/go refs the cap-dev branch

Author: amit-momin

.github/workflows/validate-protos-version.yml

@@ -0,0 +1,21 @@
+name: Validate chainlink-protos version
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  validate-protos-version:
+    permissions:
+      contents: read
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Validate protos version
+        uses: smartcontractkit/.github/actions/validate-protos-version@e5a68c3ae58d138e4e7d1d2bbc7918e2b51d7161 #v1.0.0