Fix dependabot automerge workflow error handling

- Add continue-on-error to wait-for-checks step to prevent workflow failure
- Only auto-merge when build checks actually succeed
- Add comment notification when builds fail
- Resolves 'Process completed with exit code 1' error

Author: danieloh30

.github/workflows/dependabot-automerge.yml

@@ -21,7 +21,9 @@ jobs:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 
       - name: Wait for build checks
+        id: wait-for-checks
         uses: lewagon/wait-on-check-action@v1.7.0
+        continue-on-error: true
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           check-regexp: 'Build.*|.*build.*'
@@ -31,22 +33,36 @@ jobs:
 
       - name: Enable auto-merge for Dependabot PRs
         if: |
-          steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
-          steps.metadata.outputs.update-type == 'version-update:semver-minor'
+          steps.wait-for-checks.outcome == 'success' &&
+          (steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
+          steps.metadata.outputs.update-type == 'version-update:semver-minor')
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Approve PR
         if: |
-          steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
-          steps.metadata.outputs.update-type == 'version-update:semver-minor'
+          steps.wait-for-checks.outcome == 'success' &&
+          (steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
+          steps.metadata.outputs.update-type == 'version-update:semver-minor')
         run: gh pr review --approve "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Comment on failed builds
+        if: steps.wait-for-checks.outcome == 'failure'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: '⚠️ Build checks failed. Please review the build logs before merging.'
+            })
+      
       - name: Comment on major version updates
         if: steps.metadata.outputs.update-type == 'version-update:semver-major'
         uses: actions/github-script@v9