v9.3.0 release (#576)

* Preparing 9.3.0 release

* backwards compatible fix for 568 (#577)

* backwards compatible fix for 568

* updated readme

* updated readme

* Fstc bug 568 (#581)

* backwards compatible fix for 568

* updated readme

* updated readme

* Use private fields to handle obsolete values

* Update DaprDistributedApplicationLifecycleHook.cs

Remove code that slipped through

* Update DaprDistributedApplicationLifecycleHook.cs

Adjust missed instances

---------

Co-authored-by: Brett Smith <[email protected]>

Author: aaronpowell

Directory.Build.props

@@ -37,8 +37,8 @@
 
   <!-- Versioning -->
   <PropertyGroup>
-    <ToolkitMinorVersion>2</ToolkitMinorVersion>
-    <ToolkitPatchVersion>2</ToolkitPatchVersion>
+    <ToolkitMinorVersion>3</ToolkitMinorVersion>
+    <ToolkitPatchVersion>0</ToolkitPatchVersion>
     <ToolkitPreviewVersion>preview.1</ToolkitPreviewVersion>
 
     <VersionPrefix>$(AspireMajorVersion).$(ToolkitMinorVersion).$(ToolkitPatchVersion)</VersionPrefix>