Updated Powershell definitions to latest versions.

Author: Paul D.Smith

src/ConnectedKubernetes/ConnectedKubernetes.Autorest/README.md

@@ -93,6 +93,6 @@ targetVersions:
 - "5.1"
 - "7.0"
 targetProfiles:
-- "win-8_x64_10.0.17763.0_5.1.17763.316_x64_4.0.30319.42000_framework"
-- "win-8_x64_10.0.14393.0_7.0.0_x64_3.1.2_core"
+- "win-48_x64_10.0.17763.0_5.1.17763.316_x64_4.0.30319.42000_framework"
+- "win-4_x64_10.0.18362.0_7.0.0_x64_3.1.2_core"
 ```