add webcrypto in update.sh script

update.sh

@@ -4,7 +4,7 @@ function cmd {
     pwd
 }
 
-submodules=( backend cli core cozy frontend nginx pure webextension )
+submodules=( backend cli core cozy frontend nginx pure webcrypto webextension )
 #submodules=( cozy frontend webextension )
 for submodule in "${submodules[@]}"
 do