prep 2.22-beta3 (#2765)

Author: Timothy Mothra

.props/_GlobalStaticVersion.props

@@ -13,7 +13,7 @@
     <SemanticVersionMajor>2</SemanticVersionMajor>
     <SemanticVersionMinor>22</SemanticVersionMinor> <!-- If changing the Minor version, also update the Date value. -->
     <SemanticVersionPatch>0</SemanticVersionPatch>
-    <PreReleaseMilestone>beta2</PreReleaseMilestone> <!--Valid values: beta1, beta2, EMPTY for stable -->
+    <PreReleaseMilestone>beta3</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 +2,7 @@
 
 ## VNext
 
+## Version 2.22.0-beta3
 - [Fixed an adaptive sampling issue that caused incorrect item count when an `Activity` Recorded flags were modified externally, when enabled side-by-side with OpenTelemetry or other solutions.](https://github.com/microsoft/ApplicationInsights-dotnet/issues/2742)
 
 ## Version 2.22.0-beta2