Bump Intellisense RC2 package version again (#75698)

Author: carlossanlop

eng/Versions.props

@@ -174,7 +174,7 @@
     <!--<SdkVersionForWorkloadTesting>7.0.100-rc.1.22402.35</SdkVersionForWorkloadTesting>-->
     <CompilerPlatformTestingVersion>1.1.2-beta1.22403.2</CompilerPlatformTestingVersion>
     <!-- Docs -->
-    <MicrosoftPrivateIntellisenseVersion>7.0.0-preview-20220914.1</MicrosoftPrivateIntellisenseVersion>
+    <MicrosoftPrivateIntellisenseVersion>7.0.0-preview-20220915.1</MicrosoftPrivateIntellisenseVersion>
     <!-- ILLink -->
     <MicrosoftNETILLinkTasksVersion>7.0.100-1.22423.4</MicrosoftNETILLinkTasksVersion>
     <MicrosoftNETILLinkAnalyzerPackageVersion>$(MicrosoftNETILLinkTasksVersion)</MicrosoftNETILLinkAnalyzerPackageVersion>