fix(hc): Change integration search endpoint to control silo

[RyanSkonnord]

No description provided.

[codecov]

Codecov Report

Merging #49589 (2cb903a) into master (09ae8c2) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #49589      +/-   ##
==========================================
- Coverage   80.95%   80.95%   -0.01%     
==========================================
  Files        4820     4820              
  Lines      202106   202106              
  Branches    11358    11358              
==========================================
- Hits       163622   163620       -2     
- Misses      38230    38232       +2     
  Partials      254      254              

Impacted Files	Coverage Δ
...c/app/components/group/inboxBadges/inboxReason.tsx	48.38% <ø> (ø)
static/app/views/issueDetails/actions/index.tsx	50.00% <ø> (ø)
static/app/views/issueList/actions/actionSet.tsx	77.55% <ø> (ø)
...tatic/app/views/issueList/actions/reviewAction.tsx	100.00% <ø> (ø)
src/sentry/integrations/gitlab/search.py	97.56% <100.00%> (ø)

... and 1 file with indirect coverage changes