S3UTILS-223: migrate review workflow to scality/workflows@v2

Switch from scality/agent-hub@v1 to scality/workflows@v2 reusable
workflow and pass the additional required secrets (Vertex AI project
and region).

Author: nicolas2bert

.github/workflows/review.yml

@@ -6,7 +6,9 @@ on:
 
 jobs:
   review:
-    uses: scality/agent-hub/.github/workflows/claude-code-review.yml@v1
+    uses: scality/workflows/.github/workflows/claude-code-review.yml@v2
     secrets:
       GCP_WORKLOAD_IDENTITY_PROVIDER: ${{ secrets.GCP_WORKLOAD_IDENTITY_PROVIDER }}
       GCP_SERVICE_ACCOUNT: ${{ secrets.GCP_SERVICE_ACCOUNT }}
+      ANTHROPIC_VERTEX_PROJECT_ID: ${{ secrets.ANTHROPIC_VERTEX_PROJECT_ID }}
+      CLOUD_ML_REGION: ${{ secrets.CLOUD_ML_REGION }}