fix casing

Author: christiannagel

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

@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      solutionfile-path: src/Codebreaker.GameApis.Client.sln
+      solutionfile-path: src/Codebreaker.GameAPIs.Client.sln
       projectfile-path: src/client/common/Codebreaker.GameAPIs.Client/Codebreaker.GameAPIs.Client.csproj
       artifact-name: codebreaker-client-stable