Bump GitHub actions runner to ubuntu-24.04

Author: manics

.github/workflows/docker.yml

@@ -29,7 +29,7 @@ on:
 
 jobs:
   docker:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

.github/workflows/release.yml

@@ -29,7 +29,7 @@ on:
 
 jobs:
   build-n-publish:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -62,7 +62,7 @@ jobs:
           password: ${{ secrets.PYPI_PASSWORD }}
 
   publish-docker:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     env:
       DEFAULT_REGISTRY: quay.io
       IMAGE_NAME: jupyterhub/repo2docker

.github/workflows/test.yml

@@ -50,7 +50,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ubuntu_version: ["22.04"]
+        ubuntu_version: ["24.04"]
         python_version: ["3.9"]
         repo_type:
           - base