Merge pull request #603 from cake-contrib/renovate/dotnet-monorepo

Update dependency dotnet-sdk to v9.0.308

Author: nils-a

global.json

@@ -1,7 +1,7 @@
 {
     "sdk": {
         "allowPrerelease": true,
-        "version": "9.0.306",
+        "version": "9.0.308",
         "rollForward": "latestFeature"
     }
 }