add cam as owner of what's new and breaking changes (#43892)

Author: gewarren

.github/CODEOWNERS

@@ -93,7 +93,7 @@
 
 ############### .NET Core ########################
 # What's New
-/docs/core/whats-new/ @gewarren @dotnet/docs
+/docs/core/whats-new/ @camsoper @gewarren @dotnet/docs
 # Deployment
 /docs/core/deploying/ @adegeo @dotnet/docs
 # Diagnostics
@@ -105,7 +105,7 @@
 # Install
 /docs/core/install/ @adegeo @dotnet/docs
 # Breaking changes
-/docs/core/compatibility/ @gewarren @dotnet/docs
+/docs/core/compatibility/ @camsoper @gewarren @dotnet/docs
 # Project SDKs
 /docs/core/project-sdk/ @gewarren @dotnet/docs
 # Config settings

docfx.json

@@ -325,7 +325,7 @@
                 "docs/architecture/grpc-for-wcf-developers/**/**.md": "JamesNK",
                 "docs/architecture/modernize-desktop/**/**.md": "OliaG",
                 "docs/core/**/**.md": "gewarren",
-                "docs/core/compatibility/**/**.md": "gewarren",
+                "docs/core/compatibility/**/**.md": "camsoper",
                 "docs/core/deploying/**/**.md": "adegeo",
                 "docs/core/diagnostics/**/**.md": "tommcdon",
                 "docs/core/extensions/**/**.md": "IEvangelist",
@@ -338,7 +338,7 @@
                 "docs/core/tools/**/**.md": "tdykstra",
                 "docs/core/tutorials/**/**.md": "tdykstra",
                 "docs/core/versions/**/**.md": "billwagner",
-                "docs/core/whats-new/**/**.md": "gewarren",
+                "docs/core/whats-new/**/**.md": "camsoper",
                 "docs/csharp/**/*.*": "billwagner",
                 "docs/framework/**/**.md": "gewarren",
                 "docs/framework/additional-apis/pos-for-net/**/**.md": "TerryWarwick",
@@ -417,7 +417,7 @@
                 "docs/azure/**/*.*": "alexwolf",
                 "docs/orleans/**/*.*": "dapine",
                 "docs/core/**/**.md": "dotnetcontent",
-                "docs/core/compatibility/**/**.md": "gewarren",
+                "docs/core/compatibility/**/**.md": "casoper",
                 "docs/core/deploying/**/**.md": "adegeo",
                 "docs/core/diagnostics/**/**.md": "tommcdon",
                 "docs/core/extensions/**/**.md": "dapine",
@@ -431,7 +431,7 @@
                 "docs/core/tools/**/**.md": "tdykstra",
                 "docs/core/tutorials/**/**.md": "tdykstra",
                 "docs/core/versions/**/**.md": "wiwagn",
-                "docs/core/whats-new/**/**.md": "gewarren",
+                "docs/core/whats-new/**/**.md": "casoper",
                 "docs/csharp/**/*.*": "wiwagn",
                 "docs/framework/**/**.md": "dotnetcontent",
                 "docs/framework/app-domains/**/**.md": "gewarren",