Updates samples version.

Samples/source.extension.vsixmanifest

@@ -3,7 +3,7 @@
   <Identifier Id="D793AEE5-B080-4A0F-AF00-4F40016BB0D2">
     <Name>Python Tools for Visual Studio - Samples</Name>
     <Author>Microsoft</Author>
-    <Version>2.1</Version>
+    <Version>2.2</Version>
     <Description xml:space="preserve">Python Tools for Visual Studio sample project templates.</Description>
     <Locale>1033</Locale>
     <License>Python Tools for VS License.rtf</License>
@@ -30,7 +30,7 @@
     <SupportedFrameworkRuntimeEdition MinVersion="4.5" />
   </Identifier>
   <References>
-    <Reference Id="96492FC7-7BC6-46F7-8559-66BB4E09FD1E" MinVersion="2.1">
+    <Reference Id="96492FC7-7BC6-46F7-8559-66BB4E09FD1E" MinVersion="2.2">
       <Name>Python Tools for Visual Studio</Name>
       <MoreInfoUrl>http://aka.ms/ptvs</MoreInfoUrl>
     </Reference>