Update CI pool + move back to .NET rc2

azure-pipelines.yml

@@ -99,8 +99,8 @@ stages:
             name: NetCore-Public
             demands: ImageOverride -equals windows.vs2022preview.amd64.open
           ${{ if eq(variables._RunAsInternal, True) }}:
-            name: NetCore1ESPool-Internal
-            demands: ImageOverride -equals 1es-windows-2022
+            name: NetCore1ESPool-Svc-Internal
+            demands: ImageOverride -equals windows.vs2022preview.amd64
         strategy:
           matrix:
             Release:

global.json

@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "8.0.100-rtm.23506.1",
+    "dotnet": "8.0.100-rc.2.23502.2",
     "runtimes": {
       "dotnet": [
         "6.0.23",
@@ -11,6 +11,11 @@
       "version": "17.7.0"
     }
   },
+  "sdk": {
+    "version": "8.0.100-rc.2.23502.2",
+    "allowPrerelease": true,
+    "rollForward": "patch"
+  },
   "msbuild-sdks": {
     "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.23558.3",
     "MSBuild.Sdk.Extras": "3.0.44"