chore(deps): update helm release timescaledb-single to v0.27.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
timescaledb-single	patch	0.27.2 -> 0.27.4

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Release Notes

timescale/helm-charts

### [`v0.27.4`](https://togithub.com/timescale/helm-charts/releases/tag/timescaledb-single-0.27.4) [Compare Source](https://togithub.com/timescale/helm-charts/compare/timescaledb-single-0.27.3...timescaledb-single-0.27.4) #### What's Changed - Note to enable backup for the restored release by [@​naveenkumarsp](https://togithub.com/naveenkumarsp) in [https://github.com/timescale/helm-charts/pull/511](https://togithub.com/timescale/helm-charts/pull/511) #### New Contributors - [@​naveenkumarsp](https://togithub.com/naveenkumarsp) made their first contribution in [https://github.com/timescale/helm-charts/pull/511](https://togithub.com/timescale/helm-charts/pull/511) **Full Changelog**: https://github.com/timescale/helm-charts/compare/timescaledb-single-0.27.3...timescaledb-single-0.27.4 ### [`v0.27.3`](https://togithub.com/timescale/helm-charts/releases/tag/timescaledb-single-0.27.3) [Compare Source](https://togithub.com/timescale/helm-charts/compare/timescaledb-single-0.27.2...timescaledb-single-0.27.3) #### What's Changed - charts/timescaledb-single: fix checksuming of tstune args by [@​paulfantom](https://togithub.com/paulfantom) in [https://github.com/timescale/helm-charts/pull/537](https://togithub.com/timescale/helm-charts/pull/537) **Full Changelog**: https://github.com/timescale/helm-charts/compare/avalanche-0.8.1...timescaledb-single-0.27.3

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