Allow updating owner of databricks_connection

[nkvuong]

Changes

• Allow updating owner of databricks_connection, now that the API supports it
• Add GoogleServiceAccountKeyJson to list of secret options that are redacted by API

Closes #3079

Tests

• make test run locally
• relevant change in docs/ folder
• covered with integration tests in internal/acceptance
• relevant acceptance tests are passing
• using Go SDK

[codecov-commenter]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (2fe11af) 84.59% compared to head (fa4d3c6) 84.46%.
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3080      +/-   ##
==========================================
- Coverage   84.59%   84.46%   -0.14%     
==========================================
  Files         161      161              
  Lines       14214    14251      +37     
==========================================
+ Hits        12025    12037      +12     
- Misses       1507     1528      +21     
- Partials      682      686       +4     

Files	Coverage Δ
catalog/resource_connection.go	60.22% <55.17%> (-7.42%)	⬇️

... and 3 files with indirect coverage changes