Collection's `RemoveMember` removes cache

[codecov[bot]]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (bf2fca1) 88.51% compared to head (ff43557) 88.11%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #56 +/- ## ========================================== - Coverage 88.51% 88.11% -0.41% ========================================== Files 32 32 Lines 1724 1750 +26 Branches 120 125 +5 ========================================== + Hits 1526 1542 +16 - Misses 175 184 +9 - Partials 23 24 +1 ``` | [Files](https://app.codecov.io/gh/uatuko/gatekeeper/pull/56?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Uditha+Atukorala) | Coverage Δ | | |---|---|---| | [src/svc/collections.cpp](https://app.codecov.io/gh/uatuko/gatekeeper/pull/56?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Uditha+Atukorala#diff-c3JjL3N2Yy9jb2xsZWN0aW9ucy5jcHA=) | `81.87% <61.53%> (-3.95%)` | :arrow_down: |

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.