Pin to ubuntu-24.04 for workflows (#33)

* Update GitHub workflows to use Ubuntu 24.04 and fix dependabot group name

* Add monthly update schedule for devcontainers in dependabot configuration

Author: hspaans

.github/dependabot.yml

@@ -6,6 +6,15 @@ updates:
     schedule:
       interval: monthly
     groups:
-      GitHub-Actions:
+      gitHub-actions:
+        patterns:
+          - "*"
+
+  - package-ecosystem: devcontainers
+    directory: /
+    schedule:
+      interval: monthly
+    groups:
+      devcontainers:
         patterns:
           - "*"

.github/workflows/release.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   deploy:
     if: ${{ github.ref == 'refs/heads/master' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: write
       pull-requests: write

.github/workflows/test.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   test-autogenerated:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     continue-on-error: true
     strategy:
       matrix:
@@ -39,7 +39,7 @@ jobs:
         run: devcontainer features test --skip-scenarios -f ${{ matrix.features }} -i ${{ matrix.baseImage }} .
 
   test-scenarios:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     continue-on-error: true
     strategy:
       matrix:
@@ -64,7 +64,7 @@ jobs:
         run: devcontainer features test -f ${{ matrix.features }} --skip-autogenerated --skip-duplicated .
 
   test-global:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     continue-on-error: true
     steps:
       - name: Checkout Code

.github/workflows/validate.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   validate:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4