PLT-2245 Change tutorial text from "Team Invite" to "Invite teammates" (#2834)

* Update tutorial intro text

* Update en.json

* Update es.json

* Update fr.json

* Update ja.json

* Update pt.json

webapp/components/tutorial/tutorial_intro_screens.jsx

@@ -132,7 +132,7 @@ export default class TutorialIntroScreens extends React.Component {
                 >
                     <FormattedMessage
                         id='tutorial_intro.teamInvite'
-                        defaultMessage='Team Invite'
+                        defaultMessage='Invite teammates'
                     />
                 </a>
             );