Upgrade CodeQL action to v4 and fix hidden file artifact uploads

- Upgrade github/codeql-action/upload-sarif from v3 to v4
- Add include-hidden-files: true for .sarif.json artifact uploads

Author: HackXIt

.github/workflows/pr-feedback.yml

@@ -40,7 +40,7 @@ jobs:
 
       - name: Upload SARIF to GitHub
         if: always()
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         with:
           sarif_file: .sarif.json
           category: robocop-pr
@@ -150,3 +150,4 @@ jobs:
           path: |
             .sarif.json
             robocop.txt
+          include-hidden-files: true

.github/workflows/robot-tests.yml

@@ -28,7 +28,7 @@ jobs:
 
       - name: Upload SARIF to GitHub
         if: always()
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         with:
           sarif_file: .sarif.json
           category: robocop
@@ -39,6 +39,7 @@ jobs:
         with:
           name: robocop-sarif
           path: .sarif.json
+          include-hidden-files: true
 
   robot-tests:
     runs-on: ubuntu-latest