Bump app version

Author: marcelwgn

WinUIGallery/Package.Dev.appxmanifest

@@ -7,7 +7,7 @@
     xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
     IgnorableNamespaces="uap mp uap3">
   <!--Note: package version and assembly version must be kept in sync-->
-  <Identity Name="Microsoft.WinUI3ControlsGallery.Debug" Publisher="CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US" Version="2.6.0.0" />
+  <Identity Name="Microsoft.WinUI3ControlsGallery.Debug" Publisher="CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US" Version="2.7.0.0" />
   <mp:PhoneIdentity PhoneProductId="863667e0-667a-4bb4-ac52-c59656c7333a" PhonePublisherId="00000000-0000-0000-0000-000000000000" />
   <Properties>
     <DisplayName>WinUI 3 Gallery Dev</DisplayName>

WinUIGallery/Package.appxmanifest

@@ -7,7 +7,7 @@
     xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
     IgnorableNamespaces="uap mp uap3">
   <!--Note: package version and assembly version must be kept in sync-->
-  <Identity Name="Microsoft.WinUI3ControlsGallery" Publisher="CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US" Version="2.6.0.0" />
+  <Identity Name="Microsoft.WinUI3ControlsGallery" Publisher="CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US" Version="2.7.0.0" />
   <mp:PhoneIdentity PhoneProductId="863667e0-667a-4bb4-ac52-c59656c7333a" PhonePublisherId="00000000-0000-0000-0000-000000000000" />
   <Properties>
     <DisplayName>WinUI 3 Gallery</DisplayName>