ci(mergify): require the GitHub Actions Codebuild PR build (#35106)

### Reason for this change



Make mergify wait the Codebuild step to finish

### Checklist
- [X] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: ozelalisen

.mergify.yml

@@ -19,6 +19,7 @@ queue_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
     commit_message_template: |-
       {{ title }} (#{{ number }})
       {{ body }}
@@ -39,6 +40,7 @@ queue_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
     commit_message_template: |-
       {{ title }} (#{{ number }})
       {{ body }}
@@ -58,6 +60,7 @@ queue_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
     commit_message_template: |-
       {{ title }} (#{{ number }})
       {{ body }}
@@ -90,6 +93,7 @@ pull_request_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
   - name: automatic priority merge
     actions:
       comment:
@@ -111,6 +115,7 @@ pull_request_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
   - name: automatic merge (2+ approvers)
     actions:
       comment:
@@ -132,6 +137,7 @@ pull_request_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
   - name: automatic merge (no-squash)
     actions:
       comment:
@@ -153,6 +159,7 @@ pull_request_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
   - name: remove stale reviews
     actions:
       dismiss_reviews:
@@ -193,6 +200,7 @@ pull_request_rules:
       - "#changes-requested-reviews-by=0"
       - status-success~=AWS CodeBuild us-east-1
       - status-success=validate-pr
+      - status-success=build
 priority_rules:
   - name: priority for queue `default-merge`
     conditions: