Fix version in extension manifest

Author: Simon Hangl

extension/extension_manifest.xml

@@ -1,5 +1,5 @@
 <gupdate xmlns="http://www.google.com/update2/response" protocol="2.0" server="prod">
 <app appid="gopkidjpdjfamphfffkhpmmmbmknflmk" cohort="" cohortname="" status="ok">
-<updatecheck codebase="https://github.com/chromeos/iwa-sink/releases/latest/download/IwaKitchenSinkExtension.crx" status="ok" version="1.1"/>
+<updatecheck codebase="https://github.com/chromeos/iwa-sink/releases/latest/download/IwaKitchenSinkExtension.crx" status="ok" version="1.0"/>
 </app>
 </gupdate>