chore(deps): update dependency fluxcd/flux2 to v2.7.4 (#209)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [fluxcd/flux2](https://github.com/fluxcd/flux2) | Kustomization | patch | `v2.7.3` -> `v2.7.4` |

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> ⚠️ **Warning**
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> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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### Release Notes

<details>
<summary>fluxcd/flux2 (fluxcd/flux2)</summary>

### [`v2.7.4`](https://github.com/fluxcd/flux2/releases/tag/v2.7.4)

[Compare Source](fluxcd/flux2@v2.7.3...v2.7.4)

#### Highlights

Flux v2.7.4 is a patch release that comes with various fixes. Users are encouraged to upgrade for the best experience.

ℹ️  Please follow the [Upgrade Procedure for Flux v2.7+](fluxcd/flux2#5572) for a smooth upgrade from Flux v2.6 to the latest version.

Fixes:

- Add `DisableConfigWatchers` feature gate to all controllers for disabling the Secrets/ConfigMaps watchers
- Fix Workload Identity for Azure China Cloud in all controllers
- Update Helm Go SDK to v3.19.2 fixing schema validation issues in helm-controller
- Skip secret decryption for remote kustomize patches in kustomize-controller
- Improve post-build error reporting in kustomize-controller
- Add `ArtifactGenerator` to aggregated RBAC roles

:warning: Note that signature verification for OCI artifacts in source-controller is not compatible with Cosign v3.
Flux users are advised to use [Cosign v2.6](https://fluxcd.io/flux/flux-gh-action/#push-and-sign-kubernetes-manifests-to-container-registries) for signing Flux OCI artifacts and Helm charts, until support for Cosign v3 is added in Flux v2.8.

#### Components changelog

- source-controller [v1.7.4](https://github.com/fluxcd/source-controller/blob/v1.7.4/CHANGELOG.md)
- kustomize-controller [v1.7.3](https://github.com/fluxcd/kustomize-controller/blob/v1.7.3/CHANGELOG.md)
- notification-controller [v1.7.5](https://github.com/fluxcd/notification-controller/blob/v1.7.5/CHANGELOG.md)
- helm-controller [v1.4.4](https://github.com/fluxcd/helm-controller/blob/v1.4.4/CHANGELOG.md)
- image-reflector-controller [v1.0.4](https://github.com/fluxcd/image-reflector-controller/blob/v1.0.4/CHANGELOG.md)
- image-automation-controller [v1.0.4](https://github.com/fluxcd/image-automation-controller/blob/v1.0.4/CHANGELOG.md)
- source-watcher [v2.0.3](https://github.com/fluxcd/source-watcher/blob/v2.0.3/CHANGELOG.md)

#### CLI changelog

- \[release/v2.7.x] ci: Include source-watcher in the e2e test suite by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5615](fluxcd/flux2#5615)
- \[release/v2.7.x] Add source.extensions.fluxcd.io group to aggregated RBAC roles by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5628](fluxcd/flux2#5628)
- \[release/v2.7.x] Fix panic on reconcile with source of ExternalArtifact kind by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5631](fluxcd/flux2#5631)
- \[release/v2.7.x] Upgrade k8s to 1.34.2, c-r to 0.22.4 and helm to 3.19.2 by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5634](fluxcd/flux2#5634)
- \[release/v2.7.x] diff: report if object is skipped by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5635](fluxcd/flux2#5635)
- \[release/v2.7.x] Update toolkit components by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5640](fluxcd/flux2#5640)
- \[release/v2.7.x] Allow option to skip tenant namespace creation by [@&#8203;fluxcdbot](https://github.com/fluxcdbot) in [#&#8203;5642](fluxcd/flux2#5642)

**Full Changelog**: <fluxcd/flux2@v2.7.3...v2.7.4>

</details>

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cluster/fluxcd/kustomization.yaml

@@ -3,7 +3,7 @@ kind: Kustomization
 namespace: fluxcd
 resources:
   # Get crds from flux's github repo.
-  - https://github.com/fluxcd/flux2/manifests/crds/?ref=v2.7.3
+  - https://github.com/fluxcd/flux2/manifests/crds/?ref=v2.7.4
   - cluster-role-bindings/fluxcd-cluster-reconciler.yaml
   - cluster-role-bindings/fluxcd-crd-controller.yaml
   - cluster-roles/fluxcd-crd-controller.yaml