add cache to SavedQueryConfig

[emmyoop]

resolves #9540

Problem

SL needs us to support a cache property for SavedQuery

Solution

Add cache to SavedQueryConfig.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have run this code in development and it appears to resolve the stated issue
• This PR includes tests, or tests are not required/relevant for this PR
• This PR has no interface changes (e.g. macros, cli, logs, json artifacts, config files, adapter interface, etc) or this PR has already received feedback and approval from Product or DX
• This PR includes type annotations for new and modified functions

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8a1b927) 87.94% compared to head (4c9ea34) 87.94%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9588   +/-   ##
=======================================
  Coverage   87.94%   87.94%           
=======================================
  Files         168      168           
  Lines       22208    22212    +4     
=======================================
+ Hits        19531    19535    +4     
  Misses       2677     2677           

Flag	Coverage Δ
integration	85.53% <100.00%> (+<0.01%)	⬆️
unit	61.93% <100.00%> (+<0.01%)	⬆️

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[QMalcolm]

It makes me so happy that the actual change only has to be 4 lines and everything else is tests. Looks great! 🚢

[FishtownBuildBot]

Opened a new issue in dbt-labs/docs.getdbt.com: dbt-labs/docs.getdbt.com#4946