Merge release 1.12.1 into 1.13.x

[github-actions]

Release Notes for 1.12.1

1.12.x bugfix release (patch)

1.12.1

• Total issues resolved: 0
• Total pull requests resolved: 1
• Total contributors: 1

bug

• 467: Fix: Types api rejects range fields with a null placeholder thanks to @gsteel

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.69%. Comparing base (b33de14) to head (1d6ffc9).
Report is 3 commits behind head on 1.13.x.

Additional details and impacted files

@@             Coverage Diff              @@
##             1.13.x     #468      +/-   ##
============================================
+ Coverage     62.63%   62.69%   +0.05%     
- Complexity      296      297       +1     
============================================
  Files            51       51              
  Lines          1306     1308       +2     
============================================
+ Hits            818      820       +2     
  Misses          488      488              

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