Bump dotnet-sdk from 9.0.305 to 9.0.306 in the dotnet group

Bumps the dotnet group with 1 update: [dotnet-sdk](https://github.com/dotnet/sdk).


Updates `dotnet-sdk` from 9.0.305 to 9.0.306
- [Release notes](https://github.com/dotnet/sdk/releases)
- [Commits](dotnet/sdk@v9.0.305...v9.0.306)

---
updated-dependencies:
- dependency-name: dotnet-sdk
  dependency-version: 9.0.306
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "9.0.305",
+    "version": "9.0.306",
     "rollForward": "latestMinor",
     "allowPrerelease": false
   }