Update .NET SDK (#254)

Update .NET SDK to version 10.0.100-preview.2.25164.34.

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

Signed-off-by: costellobot <[email protected]>

Author: costellobot

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.100-preview.1.25120.13",
+    "version": "10.0.100-preview.2.25164.34",
     "allowPrerelease": false,
     "rollForward": "latestMajor"
   }