pipeline: upgrade runner from ubuntu v20.04 to v24.04

.github/workflows/container-image.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   docker-build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
     - uses: docker/setup-qemu-action@v3.6.0
     - uses: docker/setup-buildx-action@v3.10.0

.github/workflows/python.yml

@@ -14,7 +14,7 @@ on:
 
 jobs:
   code-format:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         python-version: ['3.11']
@@ -30,7 +30,7 @@ jobs:
     - run: pipenv graph
     - run: pipenv run black --check .
   tests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         python-version: