fix(deps): update fluxcd/flux2 to v0.27.1

[renovate]

This PR contains the following updates:

Package	Update	Change
fluxcd/flux2	patch	v0.27.0 -> v0.27.1

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Release Notes

fluxcd/flux2

v0.27.1

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Highlights

Flux v0.27.1 is a patch release that comes with various bug fixes and improvements. Users are encouraged to upgrade for the best experience.

Fixes:

• Convert stringData to data before diffing and applying Secrets (workaround for upstream Kubernetes bug)
• Set QPS and Burst when impersonating service account in helm-controller (avoid client-side throttling when upgrading Helm releases containing hundreds of resources)

Improvements:

• Add support for using basic auth when sending alerts to Grafana annotations API
• Allow the proxy address to specified in the Kubernetes Secret referenced in Flux Alerts

Components changelog

• kustomize-controller v0.21.1
• helm-controller v0.17.1
• notification-controller v0.22.1

CLI changelog

• PR #​2460 - @​fluxcdbot - Update toolkit components
• PR #​2452 - @​souleb - Diff: fix stringData Secret issue
• PR #​2450 - @​SomtochiAma - Add --wait flag to flux resume cmd
• PR #​2448 - @​SomtochiAma - Use metadata.Client for reconcile operations

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