chore(deps): update helm/chart-testing-action action to v2.6.0 (#14174)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[helm/chart-testing-action](https://togithub.com/helm/chart-testing-action)
| action | minor | `v2.4.0` -> `v2.6.0` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>helm/chart-testing-action (helm/chart-testing-action)</summary>

###
[`v2.6.0`](https://togithub.com/helm/chart-testing-action/releases/tag/v2.6.0)

[Compare
Source](https://togithub.com/helm/chart-testing-action/compare/v2.5.0...v2.6.0)

##### What's Changed

- docs: bump helm/kind-action version by
[@&#8203;dunglas](https://togithub.com/dunglas) in
[helm/chart-testing-action#122
- bump ct to v3.10.0 by [@&#8203;cpanato](https://togithub.com/cpanato)
in
[helm/chart-testing-action#134

**Full Changelog**:
helm/chart-testing-action@v2...v2.6.0

###
[`v2.5.0`](https://togithub.com/helm/chart-testing-action/releases/tag/v2.5.0)

[Compare
Source](https://togithub.com/helm/chart-testing-action/compare/v2.4.0...v2.5.0)

#### What's Changed

- Download binary with right arch by
[@&#8203;Ludea](https://togithub.com/Ludea) in
[helm/chart-testing-action#118
- Bump ct and cleanup script by
[@&#8203;cpanato](https://togithub.com/cpanato) in
[helm/chart-testing-action#124
- Bump sigstore/cosign-installer from
[`c3667d9`](https://togithub.com/helm/chart-testing-action/commit/c3667d99424e7e6047999fb6246c0da843953c65)
to
[`6e04d22`](https://togithub.com/helm/chart-testing-action/commit/6e04d228eb30da1757ee4e1dd75a0ec73a653e06)
by [@&#8203;dependabot](https://togithub.com/dependabot) in
[helm/chart-testing-action#125
- Bump sigstore/cosign-installer from 3.1.1 to 3.1.2 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[helm/chart-testing-action#127
- Bump actions/checkout from 3 to 4 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[helm/chart-testing-action#128

#### New Contributors

- [@&#8203;Ludea](https://togithub.com/Ludea) made their first
contribution in
[helm/chart-testing-action#118
- [@&#8203;dependabot](https://togithub.com/dependabot) made their first
contribution in
[helm/chart-testing-action#125

**Full Changelog**:
helm/chart-testing-action@v2.4.0...v2.5.0

</details>

---

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---

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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zNy4xIiwidXBkYXRlZEluVmVyIjoiMzcuMzcuMSIsInRhcmdldEJyYW5jaCI6Im1hc3RlciJ9-->

.github/workflows/charts-test.yaml

@@ -132,7 +132,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
 
       - name: Create k3d cluster
         uses: nolar/setup-k3d-k3s@v1
@@ -205,7 +205,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
 
       - name: Create k3d cluster
         uses: nolar/setup-k3d-k3s@v1
@@ -270,7 +270,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
 
       - name: Create k3d cluster
         uses: nolar/setup-k3d-k3s@v1
@@ -335,7 +335,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
 
       - name: Create k3d cluster
         uses: nolar/setup-k3d-k3s@v1
@@ -400,7 +400,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
 
       - name: Create k3d cluster
         uses: nolar/setup-k3d-k3s@v1
@@ -465,7 +465,7 @@ jobs:
           python-version: "3.11"
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
 
       - name: Create k3d cluster
         uses: nolar/setup-k3d-k3s@v1