Update .NET SDK to 10.0

- global.json: 9.0.0 → 10.0.0
- CI pipeline: 9.0.308 → 10.0.100

Author: mfkl

buildsystem/base-template.yml

@@ -3,7 +3,7 @@ steps:
   displayName: 'Use .NET Core SDK'
   inputs:
     packageType: sdk
-    version: 9.0.308
+    version: 10.0.100
 
 - bash: |
    dotnet workload install android

global.json

@@ -3,7 +3,7 @@
     "MSBuild.Sdk.Extras": "3.0.44"
   },
     "sdk": {
-        "version": "9.0.0",
+        "version": "10.0.0",
         "rollForward": "latestFeature"
     }
 }