Merge pull request #272 from nils-org/renovate/major-dotnet-monorepo

(maint) Update dependency dotnet-sdk to v9

Author: nils-a

global.json

@@ -1,7 +1,7 @@
 {
     "sdk": {
         "allowPrerelease": true,
-        "version": "8.0.404",
+        "version": "9.0.101",
         "rollForward": "latestFeature"
     }
 }