chore(deps): update helm release uptime-kuma to v2.18.0

This MR contains the following updates:

Package	Update	Change
uptime-kuma	minor	2.17.0 -> 2.18.0

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Release Notes

dirsigler/uptime-kuma-helm (uptime-kuma)

v2.18.0

Compare Source

A self-hosted Monitoring tool like "Uptime-Robot".

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