Merge pull request #282 from CodebreakerApp/280-backend-models-dotnet9

bump github actions for models to .net 9

Author: christiannagel

.github/workflows/codebreaker-lib-backendmodels-stable.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with: 
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Build the library
         run: dotnet build -c Release ${{ env.solutionfile-path }}

.github/workflows/codebreaker-lib-backendmodels.yml

@@ -22,7 +22,7 @@ jobs:
       version-offset: 10
       solutionfile-path: src/Codebreaker.Backend.Models.sln
       projectfile-path: src/services/common/Codebreaker.GameAPIs.Models/Codebreaker.GameAPIs.Models.csproj
-      dotnet-version: '8.0.x'
+      dotnet-version: '9.0.x'
       artifact-name: codebreaker-backend-models
       branch-name: main