ci: upload test results with codecov-action v7 and move to checkout v7 (#975)

.github/workflows/codeql.yml

@@ -44,7 +44,7 @@ jobs:
           build-mode: none
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v7
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
       with: