prep 2.23.0 release (#2957)

Author: Timothy Mothra

.props/_GlobalStaticVersion.props

@@ -13,7 +13,7 @@
     <SemanticVersionMajor>2</SemanticVersionMajor>
     <SemanticVersionMinor>23</SemanticVersionMinor> <!-- If changing the Minor version, also update the Date value. -->
     <SemanticVersionPatch>0</SemanticVersionPatch>
-    <PreReleaseMilestone>beta1</PreReleaseMilestone> <!--Valid values: beta1, beta2, EMPTY for stable -->
+    <PreReleaseMilestone></PreReleaseMilestone> <!--Valid values: beta1, beta2, EMPTY for stable -->
     <PreReleaseMilestone Condition="'$(Redfield)' == 'True'">redfield</PreReleaseMilestone>
     <PreReleaseMilestone Condition="'$(NightlyBuild)' == 'True'">nightly</PreReleaseMilestone> <!-- Overwrite this property for nightly builds from the DEVELOP branch. -->
     <!--

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## VNext
 
+## Version 2.23.0
+- no changes since beta.
+
 ## Version 2.23.0-beta1
 - [Populate required field Message with "n/a" if it is empty](https://github.com/microsoft/ApplicationInsights-dotnet/issues/1066)
 - [Fix ITelemetryModule singleton registration to support presence of keyed services](https://github.com/microsoft/ApplicationInsights-dotnet/pull/2908)