[🚀 Feature]: Add selenium subreddit to support page

[cgoldberg]

Feature and motivation

The selenium subreddit is a user community hosted on Reddit: https://www.reddit.com/r/selenium/

It was closed to the public and set to a restricted mode for the past 2 years. As of today, it is open again. There are still almost 13k members in the community (and hopefully more soon). This is space for discussion, questions, and support for Selenium.

Announcement:
https://www.reddit.com/r/selenium/s/cHJh9ZLnFa

I would like to add a link and short description of this community to the Support page at: https://www.selenium.dev/support/

This would require an update to: https://github.com/SeleniumHQ/seleniumhq.github.io/blob/trunk/website_and_docs/content/support/_index.html

Unfortunately, I can't provide a Pull Request because I am stuck on a mobile device for a while. If this update would be accepted, could someone please add it?

Feel free to add a comment to this issue if you need a suggestion for the description/text to add.

Thanks!

[github-actions]

@cgoldberg, thank you for creating this issue. We will troubleshoot it as soon as we can.

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