Update SocialNetwork.tpl Twitter Intent URL

[alexymik]

Overview

Update Twitter intent URL in the Social Network "Help spread the word" template.

Technical Details

URL was updated some time ago from https://twitter.com/share to https://twitter.com/intent/tweet

https://developer.twitter.com/en/docs/twitter-for-websites/tweet-button/guides/web-intent

[civibot]

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[totten]

Change looks pretty safe.

A quick test shows that twitter.com/share redirects to twitter.com/intent/tweet, so it's demonstrably the same functionality -- just getting through the newer URL and with fewer redirects. ✅

Cheers @alexymik !