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

Author: billnapier

.github/workflows/publish.yaml

@@ -23,7 +23,7 @@ jobs:
     concurrency:
       group: ${{ github.head_ref || github.ref }}
       cancel-in-progress: false
-    runs-on: ubuntu-20.04
+    runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v3.0.2
         with: