chore(deps): update dependency fluxcd/flux2 to v0.31.1

This MR contains the following updates:

Package	Update	Change
fluxcd/flux2	patch	v0.31.0 -> v0.31.1

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Release Notes

fluxcd/flux2

v0.31.1

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Highlights

Flux v0.31.1 is a patch release that comes with important fixes and documentation improvements. Users are encouraged to upgrade for the best experience.

Fixes

• Fix semver sorting for Helm OCI charts (source-controller)
• Fix service account impersonation when using target namespace (helm-controller)
• Validate that the image name does not contain tags (image-reflector-controller)
• Fix libgit2 SSH host key verification (source-controller & image-automation-controller)
• Fix authentication when using Gitlab via HTTP/S (source-controller & image-automation-controller)

Documentation improvements

• Explain how to generate image pull secrets from SOPS encrypted .dockerconfigjson files
• Document all controller flags and their defaults
  • source-controller options
  • kustomize-controller options
  • helm-controller options
  • notification-controller options
  • image-automation-controller options
  • image-reflector-controller options

Components changelog

• source-controller v0.25.5 v0.25.4
• kustomize-controller v0.26.1
• helm-controller v0.22.1
• image-reflector-controller v0.19.1
• image-automation-controller v0.23.2 v0.23.1

CLI Changelog

• MR #​2820 - @​stefanprodan - Update dependencies
• MR #​2814 - @​fluxcdbot - Update toolkit components
• MR #​2811 - @​stefanprodan - [RFC-0002] Update status and implementation history

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