[PM-18193] Remove scan.yml from Merge Queue status check and update test.yml report job skip (#4710)

Author: vvolkgang

.github/workflows/scan.yml

@@ -4,8 +4,6 @@ on:
   workflow_dispatch:
   pull_request_target:
     types: [opened, synchronize]
-  merge_group:
-    types: [checks_requested]
 
 jobs:
   check-run:

.github/workflows/test.yml

@@ -90,25 +90,27 @@ jobs:
       contents: read
       issues: write
       pull-requests: write
-    if: success() && (github.event_name == 'push' || github.event_name == 'pull_request')
+    if: success()
 
     steps:
       - name: Download test artifacts
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        if: github.event_name == 'push' || github.event_name == 'pull_request'
         with:
           name: test-reports
 
       - name: Upload to codecov.io
         id: upload-to-codecov
         uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303 # v5.1.2
+        if: github.event_name == 'push' || github.event_name == 'pull_request'
         continue-on-error: true
         with:
           os: linux
           files: kover/reportStandardDebug.xml
           fail_ci_if_error: true
 
       - name: Comment PR if tests failed
-        if: steps.upload-to-codecov.outcome == 'failure'
+        if: steps.upload-to-codecov.outcome == 'failure' && (github.event_name == 'push' || github.event_name == 'pull_request')
         env:
             PR_NUMBER: ${{ github.event.number }}
             GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}