fix client project file name

Author: christiannagel

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

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       solutionfile-path: src/Codebreaker.GameAPIs.Client.sln
-      projectfile-path: src/client/common/Codebreaker.GameAPIs.Client/Codebreaker.GameAPIs.Client.csproj
+      projectfile-path: src/clients/common/Codebreaker.GameAPIs.Client/Codebreaker.GameAPIs.Client.csproj
       artifact-name: codebreaker-client-stable   
 
     steps: