Release 2.1.2 docs

[salonichf5]

Update docs for 2.1.2 release

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.92%. Comparing base (936fc8e) to head (4e63b3c).
⚠️ Report is 1 commits behind head on release-2.1.

Additional details and impacted files

@@ Coverage Diff @@ ## release-2.1 #3963 +/- ## =============================================== + Coverage 86.90% 86.92% +0.01%  =============================================== Files 128 128 Lines 16059 16059 Branches 62 62 =============================================== + Hits 13956 13959 +3  + Misses 1932 1930 -2  + Partials 171 170 -1 

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