Bump Microsoft.DotNet.Arcade.Sdk from 8.0.0-beta.25263.4 to 8.0.0-beta.26117.2

---
updated-dependencies:
- dependency-name: Microsoft.DotNet.Arcade.Sdk
  dependency-version: 8.0.0-beta.26117.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

global.json

@@ -9,6 +9,6 @@
     "rollForward": "latestMinor"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.25263.4"
+    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.26117.2"
   }
-}
+}