Rename dotnet team

Author: yselkowitz

configs/rhel-sst-dotnet--dotnet.yaml renamed to configs/rhel-pt-dotnet--dotnet.yaml

@@ -3,7 +3,7 @@ version: 1
 data:
   name: .NET
   description: .NET SDK, tools and runtime
-  maintainer: rhel-sst-dotnet
+  maintainer: rhel-pt-dotnet
   packages:
     # EOL in Nov, 2026
     - dotnet-sdk-8.0

configs/rhel-sst-dotnet--unwanted.yaml renamed to configs/rhel-pt-dotnet--unwanted.yaml

@@ -3,7 +3,7 @@ version: 1
 data:
   name: .NET Unwanted Packages
   description: Packages that .NET maintainers do not wish to maintain in RHEL 10
-  maintainer: rhel-sst-dotnet
+  maintainer: rhel-pt-dotnet
   labels:
     - eln
     - c10s