🤖 Update fluxcd (minor)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/fluxcd/flux2/v2	v2.2.3 -> v2.3.0
github.com/fluxcd/kustomize-controller/api	v1.2.2 -> v1.3.0
github.com/fluxcd/pkg/apis/meta	v1.3.0 -> v1.5.0
github.com/fluxcd/source-controller/api	v1.2.5 -> v1.3.0

⚠️ This PR updates an API docstring, so you have to run make generate locally.

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Release Notes

fluxcd/flux2 (github.com/fluxcd/flux2/v2)

v2.3.0

Compare Source

fluxcd/kustomize-controller (github.com/fluxcd/kustomize-controller/api)

v1.3.0

Compare Source

Changelog

v1.3.0 changelog

Container images

• docker.io/fluxcd/kustomize-controller:v1.3.0
• ghcr.io/fluxcd/kustomize-controller:v1.3.0

Supported architectures: linux/amd64, linux/arm64 and linux/arm/v7.

The container images are built on GitHub hosted runners and are signed with cosign and GitHub OIDC.
To verify the images and their provenance (SLSA level 3), please see the security documentation.

fluxcd/source-controller (github.com/fluxcd/source-controller/api)

v1.3.0

Compare Source

Changelog

v1.3.0 changelog

Container images

• docker.io/fluxcd/source-controller:v1.3.0
• ghcr.io/fluxcd/source-controller:v1.3.0

Supported architectures: linux/amd64, linux/arm64 and linux/arm/v7.

The container images are built on GitHub hosted runners and are signed with cosign and GitHub OIDC.
To verify the images and their provenance (SLSA level 3), please see the security documentation.

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: go.sum

Command failed: go mod tidy
go: downloading k8s.io/code-generator v0.30.0
go: downloading github.com/stretchr/testify v1.9.0
go: downloading k8s.io/gengo/v2 v2.0.0-20240228010128-51d4e06bde70
go: downloading k8s.io/apiserver v0.30.0
go: downloading github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3
go: downloading github.com/stretchr/objx v0.5.2
go: finding module for package k8s.io/code-generator/cmd/import-boss
go: downloading k8s.io/code-generator v0.30.1
go: github.com/stackitcloud/gardener-extension-shoot-flux/hack imports
	github.com/gardener/gardener/hack imports
	k8s.io/code-generator/cmd/import-boss: module k8s.io/code-generator@latest found (v0.30.1), but does not contain package k8s.io/code-generator/cmd/import-boss