Prepare v1.12.0 release

[NovemberZulu]

Description of changes:

Prepare for v1.11.12 release

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.00%. Comparing base (3c1b6b1) to head (2e66c5a).
⚠️ Report is 152 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1157      +/-   ##
============================================
+ Coverage     67.23%   68.00%   +0.76%     
- Complexity     5484     5674     +190     
============================================
  Files           159      160       +1     
  Lines         23025    23378     +353     
  Branches       4126     4204      +78     
============================================
+ Hits          15481    15898     +417     
+ Misses         6262     6174      -88     
- Partials       1282     1306      +24     

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[NovemberZulu]

Changed release version to 1.12.0 since #1153 added a new option to builder