Fix rbac cache for new members

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +1.45 :tada:

Comparison is base (63b27a8) 87.65% compared to head (7a0c95f) 89.11%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #40 +/- ## ========================================== + Coverage 87.65% 89.11% +1.45% ========================================== Files 29 29 Lines 1401 1405 +4 Branches 102 103 +1 ========================================== + Hits 1228 1252 +24 + Misses 150 132 -18 + Partials 23 21 -2 ``` | [Impacted Files](https://app.codecov.io/gh/uditha-atukorala/gatekeeper/pull/40?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Uditha+Atukorala) | Coverage Δ | | |---|---|---| | [src/service/gatekeeper.collections.cpp](https://app.codecov.io/gh/uditha-atukorala/gatekeeper/pull/40?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Uditha+Atukorala#diff-c3JjL3NlcnZpY2UvZ2F0ZWtlZXBlci5jb2xsZWN0aW9ucy5jcHA=) | `84.67% <100.00%> (+17.17%)` | :arrow_up: |

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.