Update the comment on successful resolution of headers.

Signed-off-by: David Venable <dlv@amazon.com>

Author: dlvenable

.github/workflows/license-header-check.yml

@@ -83,4 +83,35 @@ jobs:
               });
             }
         env:
-          VIOLATIONS: ${{ steps.license-check.outputs.violations }}
+          VIOLATIONS: ${{ steps.license-check.outputs.violations }}
+          
+      - name: Update PR comment (all violations resolved)
+        if: success()
+        uses: actions/github-script@v8
+        with:
+          script: |
+            const { data: comments } = await github.rest.issues.listComments({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+            });
+            
+            const botComment = comments.find(comment => 
+              comment.user.type === 'Bot' && 
+              (comment.body.includes('License Header Violations Found') || comment.body.includes('License Header Check Passed'))
+            );
+            
+            if (botComment) {
+              const successBody = [
+                '## ✅ License Header Check Passed',
+                '',
+                'All newly added files have proper license headers. Great work! 🎉'
+              ].join('\n');
+              
+              await github.rest.issues.updateComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: botComment.id,
+                body: successBody
+              });
+            }