chore(deps): update container image itzg/mc-router to v1.21.0@2290017 by renovate (#24183)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [itzg/mc-router](https://togithub.com/itzg/mc-router) | minor |
`1.20.3` -> `1.21.0` |

---

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

---

### Release Notes

<details>
<summary>itzg/mc-router (itzg/mc-router)</summary>

### [`v1.21.0`](https://togithub.com/itzg/mc-router/releases/tag/1.21.0)

[Compare
Source](https://togithub.com/itzg/mc-router/compare/1.20.3...1.21.0)

#### What's Changed

- feat: add ability to receive proxy protocol by
[@&#8203;iipanda](https://togithub.com/iipanda) in
[https://github.com/itzg/mc-router/pull/307](https://togithub.com/itzg/mc-router/pull/307)
- build: upgrade to Go 1.22.5 by
[@&#8203;itzg](https://togithub.com/itzg) in
[https://github.com/itzg/mc-router/pull/308](https://togithub.com/itzg/mc-router/pull/308)

#### New Contributors

- [@&#8203;iipanda](https://togithub.com/iipanda) made their first
contribution in
[https://github.com/itzg/mc-router/pull/307](https://togithub.com/itzg/mc-router/pull/307)

**Full Changelog**:
https://github.com/itzg/mc-router/compare/1.20.3...1.21.0

</details>

---

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🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40NDAuNiIsInVwZGF0ZWRJblZlciI6IjM3LjQ0MC42IiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/mc-router/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 1.20.3
+appVersion: 1.21.0
 dependencies:
   - name: common
     version: 24.1.5
@@ -33,4 +33,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/mc-router
   - https://hub.docker.com/r/itzg/mc-router
 type: application
-version: 6.1.3
+version: 6.2.0

charts/stable/mc-router/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: itzg/mc-router
   pullPolicy: IfNotPresent
-  tag: 1.20.3@sha256:2ea67189f42b47a9b3f5b51fa748cf0d1e4cccfa1e31a2ea53f77321081f69d7
+  tag: 1.21.0@sha256:22900174c4a824f8bce83e1f58947c1bf25f7ceac218b0fcb76364328077ca63
 service:
   main:
     ports: