fix(charts): update helm release memcached to v7.4.12

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
memcached (source)	patch	7.4.11 -> 7.4.12

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Release Notes

bitnami/charts (memcached)

### [`v7.4.12`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/memcached/CHANGELOG.md#7412-2024-08-27) - Enable publishNotReadyAddresses on memcached service ([#​29045](https://togithub.com/bitnami/charts/pull/29045))

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