Merge pull request #261 from cake-contrib/renovate/dotnet-monorepo

(maint) Update dependency dotnet-sdk to v7.0.400

Author: nils-a

global.json

@@ -1,6 +1,6 @@
 {
     "sdk": {
-      "version": "7.0.306",
+      "version": "7.0.400",
       "rollForward": "latestFeature"
     }
   }