chore(deps): update helm release uptime-kuma to v2.19.1

This MR contains the following updates:

Package	Update	Change	OpenSSF
uptime-kuma	minor	2.18.1 -> 2.19.1

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Release Notes

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

v2.19.1

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

v2.19.0

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

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