Reduce hardcoded interval for JDBC caches

[jtduffy]

This is a stop gap change to reduce the size of the ExpiringValueMap used by a couple of the JDBC caches until we can implement #1791.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.86%. Comparing base (9aee916) to head (450becc).
Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1809      +/-   ##
============================================
- Coverage     70.89%   70.86%   -0.03%     
+ Complexity     9956     9952       -4     
============================================
  Files           827      827              
  Lines         39880    39880              
  Branches       6043     6043              
============================================
- Hits          28272    28262      -10     
- Misses         8887     8892       +5     
- Partials       2721     2726       +5     

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