social: migrate from x to bluesky

[bjlittle]

🚀 Pull Request

Description

This pull-request migrates our social from X to Bluesky 🥳

Time to join the tech X-odus ... but don't take my word for it, checkout the stats here and here.

TODO:

• Create SciTools/bluesky-scitools GH repository
• Announce migration to https://bsky.app/profile/scitools.bsky.social on X

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.83%. Comparing base (354aac1) to head (0677b53).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6237   +/-   ##
=======================================
  Coverage   89.83%   89.83%           
=======================================
  Files          88       88           
  Lines       23315    23315           
  Branches     4338     4338           
=======================================
  Hits        20945    20945           
  Misses       1644     1644           
  Partials      726      726           

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🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests