(cherry-pick) Enable db config cache explicitly

[stonezdj]

previous config is not cached because it is initialized when cache is not ready

Signed-off-by: stonezdj [email protected]

[codecov]

Codecov Report

Merging #16016 (162381d) into release-2.4.0 (b95b3fd) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@                Coverage Diff                @@
##           release-2.4.0   #16016      +/-   ##
=================================================
- Coverage          66.86%   66.82%   -0.04%     
=================================================
  Files                933      933              
  Lines              77712    77716       +4     
  Branches            2287     2287              
=================================================
- Hits               51962    51937      -25     
- Misses             21742    21774      +32     
+ Partials            4008     4005       -3     

Flag	Coverage Δ
unittests	66.82% <0.00%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/pkg/config/db/manager.go	46.15% <0.00%> (-20.52%)	⬇️
src/controller/event/handler/auditlog/auditlog.go	11.11% <0.00%> (-50.00%)	⬇️
src/lib/cache/util.go	73.68% <0.00%> (-15.79%)	⬇️
src/common/rbac/system/namespace.go	33.33% <0.00%> (-11.12%)	⬇️
src/controller/event/topic.go	1.80% <0.00%> (-9.01%)	⬇️
src/common/utils/passports.go	84.61% <0.00%> (-5.13%)	⬇️
...es/vulnerability/vulnerability-config.component.ts	46.82% <0.00%> (-3.97%)	⬇️
...g-retention-tasks/tag-retention-tasks.component.ts	58.33% <0.00%> (-2.78%)	⬇️
src/jobservice/runner/redis.go	67.82% <0.00%> (+5.21%)	⬆️

[wy65701436]

lgtm