ci : version add

Author: iammukeshm

.github/workflows/webapi.yml

@@ -24,6 +24,8 @@ jobs:
       - uses: actions/checkout@v4
       - name: setup dotnet
         uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.100
       - name: restore dependencies
         run: dotnet restore ./src/api/server/Server.csproj
       - name: build