Update .drone.yml

.drone.yml

@@ -9,11 +9,11 @@ steps:
       - ls
       - /opt/unity/editors/2021.3.19f1/Editor/Unity -batchmode -nographics -projectPath . -executeMethod GitTools.Solution.Sync -quit
       - cat Assembly-CSharp.csproj
-      - sed -i 's/4.7.1/6.0.406/g' Assembly-CSharp.csproj
+      - sed -i 's/4.7.1/6.0/g' Assembly-CSharp.csproj
       - cat Assembly-CSharp.csproj
   - name: code-analysis
     pull: if-not-exists
-    image: mcr.microsoft.com/dotnet/sdk:6.0
+    image: mcr.microsoft.com/dotnet/aspnet:6.0
     commands:
       - apt-get update && apt-get install -y unzip
       - export PATH="$PATH:/root/.dotnet/tools"