Update .NET SDK (#59961)

Update .NET SDK to version 10.0.100-alpha.1.25070.1.

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

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Author: github-actions[bot]

global.json

@@ -1,9 +1,9 @@
 {
   "sdk": {
-    "version": "10.0.100-alpha.1.25067.4"
+    "version": "10.0.100-alpha.1.25070.1"
   },
   "tools": {
-    "dotnet": "10.0.100-alpha.1.25067.4",
+    "dotnet": "10.0.100-alpha.1.25070.1",
     "runtimes": {
       "dotnet/x86": [
         "$(MicrosoftInternalRuntimeAspNetCoreTransportVersion)"