Update the package version to v0.3

Acked-by: Pankaj Bhojwani <[email protected]>
Acked-by: Carlos Zamora <[email protected]>

Author: DHowett

src/cascadia/CascadiaPackage/CascadiaPackage.wapproj

@@ -5,7 +5,7 @@
   <PropertyGroup Label="Version">
     <!-- These fields are picked up by PackageES -->
     <VersionMajor>0</VersionMajor>
-    <VersionMinor>2</VersionMinor>
+    <VersionMinor>3</VersionMinor>
   </PropertyGroup>
   <PropertyGroup Label="Configuration">
     <TargetPlatformVersion>10.0.18362.0</TargetPlatformVersion>
@@ -305,4 +305,4 @@
     </ItemGroup>
   </Target>
 
-</Project>
+</Project>