Update runners to ubuntu-24.04 from deprecated ubuntu-20.04 label

Author: billnapier

.github/workflows/lint.yml

@@ -19,7 +19,7 @@ jobs:
     concurrency:
       group: ${{ github.head_ref || github.ref }}
       cancel-in-progress: true
-    runs-on: ubuntu-20.04
+    runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/[email protected]
         with: