Update .NET SDK (#2149)

Update .NET SDK to version 8.0.302.

---
updated-dependencies:
- dependency-name: Microsoft.NET.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: polly-updater-bot[bot] <138034000+polly-updater-bot[bot]@users.noreply.github.com>
Co-authored-by: polly-updater-bot[bot] <138034000+polly-updater-bot[bot]@users.noreply.github.com>

global.json

@@ -1,6 +1,6 @@
 {
  "sdk": {
- "version": "8.0.301",
+ "version": "8.0.302",
  "allowPrerelease": false,
  "rollForward": "latestMajor"
  }