Update Actions dependencies to latest

Author: nblumhardt

.github/workflows/ci.yml

@@ -29,9 +29,9 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 10.0.x
       - name: Build and Publish
@@ -45,15 +45,15 @@ jobs:
 
   build-linux:
     name: Build (Linux)
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     permissions:
       contents: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 10.0.x
       - name: Configure Docker