Add new JSON options for GC (#19762)

* add new json options

Author: gewarren

docs/core/project-sdk/msbuild-props.md

@@ -176,7 +176,7 @@ You can configure some run-time behaviors by specifying MSBuild properties in th
 
 ### ConcurrentGarbageCollection
 
-The `ConcurrentGarbageCollection` property configures whether [background (concurrent) garbage collection](../../standard/garbage-collection/background-gc.md) is enabled. Set the value to `false` to disable background garbage collection. For more information, see [System.GC.Concurrent/COMPlus_gcConcurrent](../run-time-config/garbage-collector.md#systemgcconcurrentcomplus_gcconcurrent).
+The `ConcurrentGarbageCollection` property configures whether [background (concurrent) garbage collection](../../standard/garbage-collection/background-gc.md) is enabled. Set the value to `false` to disable background garbage collection. For more information, see [Background GC](../run-time-config/garbage-collector.md#background-gc).
 
 ```xml
 <PropertyGroup>
@@ -196,7 +196,7 @@ The `InvariantGlobalization` property configures whether the app runs in *global
 
 ### RetainVMGarbageCollection
 
-The `RetainVMGarbageCollection` property configures the garbage collector to put deleted memory segments on a standby list for future use or release them. Setting the value to `true` tells the garbage collector to put the segments on a standby list. For more information, see [System.GC.RetainVM/COMPlus_GCRetainVM](../run-time-config/garbage-collector.md#systemgcretainvmcomplus_gcretainvm).
+The `RetainVMGarbageCollection` property configures the garbage collector to put deleted memory segments on a standby list for future use or release them. Setting the value to `true` tells the garbage collector to put the segments on a standby list. For more information, see [Retain VM](../run-time-config/garbage-collector.md#retain-vm).
 
 ```xml
 <PropertyGroup>
@@ -206,7 +206,7 @@ The `RetainVMGarbageCollection` property configures the garbage collector to put
 
 ### ServerGarbageCollection
 
-The `ServerGarbageCollection` property configures whether the application uses [workstation garbage collection or server garbage collection](../../standard/garbage-collection/workstation-server-gc.md). Set the value to `true` to use server garbage collection. For more information, see [System.GC.Server/COMPlus_gcServer](../run-time-config/garbage-collector.md#systemgcservercomplus_gcserver).
+The `ServerGarbageCollection` property configures whether the application uses [workstation garbage collection or server garbage collection](../../standard/garbage-collection/workstation-server-gc.md). Set the value to `true` to use server garbage collection. For more information, see [Workstation vs. server](../run-time-config/garbage-collector.md#workstation-vs-server).
 
 ```xml
 <PropertyGroup>