Merge pull request #772 from hacklschorsch/764.fix-ci

Fix CI bitrot

Author: meejah

.github/workflows/codechecks.yml

@@ -12,7 +12,7 @@ jobs:
       matrix:
         python-version:
           - "3.9"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
     - name: Check out source code
       uses: actions/checkout@v2

.github/workflows/linux.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os:
-          - runs-on: ubuntu-22.04
+          - runs-on: ubuntu-24.04
         python-version:
           - "3.9"
           - "3.10"
@@ -101,7 +101,7 @@ jobs:
     strategy:
       matrix:
         os:
-          - runs-on: ubuntu-22.04
+          - runs-on: ubuntu-24.04
         python-version:
           - "3.9"
         tahoe-version: