minor metadb fixes for dynamo and bolt

[andaaron]

1. dynamodb: refactor multiple apikey metadb calls into a single one
2. dynamodb/boltdb: fix an error message related to getting the patches to update the db (as a note this is not used atm in production)

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 91.89%. Comparing base (cdcafa9) to head (f756fda).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2884      +/-   ##
==========================================
+ Coverage   91.88%   91.89%   +0.01%     
==========================================
  Files         170      170              
  Lines       30285    30291       +6     
==========================================
+ Hits        27827    27836       +9     
+ Misses       1829     1827       -2     
+ Partials      629      628       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.