github: bump ubuntu runner images to 24.04

Pinning the runner images to a release prevents unexpected breakages
when a new LTS is released. We follow the releases, so let's keep this
a manual step.

Signed-off-by: Bastian Krause <[email protected]>

Author: Bastian-Krause

.github/workflows/docker.yml

@@ -16,7 +16,7 @@ env:
 
 jobs:
   docker:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v4
     - name: Install system dependencies

.github/workflows/reusable-unit-tests-docker.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   docker:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v4
       with:

.github/workflows/reusable-unit-tests.yml

@@ -12,7 +12,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     continue-on-error: false
     steps:
     - uses: actions/checkout@v4