fix: assume CI role to bypass branch protections

Author: 0marperez

.github/actions/merge-main/action.yml

@@ -12,6 +12,12 @@ runs:
       with:
         fetch-depth: 0
 
+    - name: Configure AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        role-to-assume: ${{ secrets.CI_AWS_ROLE_ARN }}
+        aws-region: us-west-2
+
     - name: Set up Git
       shell: bash
       run: |