Update role-to-assume in AWS credentials configuration to use secret for account ID

Author: karimzakzouk

.github/workflows/terraform.yml

@@ -59,7 +59,7 @@ jobs:
       - name: Configure AWS credentials via OIDC
         uses: aws-actions/configure-aws-credentials@v4
         with:
-          role-to-assume: arn:aws:iam::382284572497:role/GitHubActionsInfraRole
+          role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/GitHubActionsInfraRole
           role-session-name: GitHubActions-${{ github.run_id }}
           aws-region: us-east-1
           audience: sts.amazonaws.com