chore(container): update image syncthing/syncthing to v1 by renovate (#27783)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [syncthing/syncthing](https://syncthing.net)
([source](https://redirect.github.com/syncthing/syncthing)) | minor |
`5fb5438` -> `30b6a53` |

---

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

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

---

### Release Notes

<details>
<summary>syncthing/syncthing (syncthing/syncthing)</summary>

###
[`v1.28.0`](https://redirect.github.com/syncthing/syncthing/releases/tag/v1.28.0)

[Compare
Source](https://redirect.github.com/syncthing/syncthing/compare/v1.27.12...v1.28.0)

Bugfixes:

-
[#&#8203;9597](https://redirect.github.com/syncthing/syncthing/issues/9597):
Filenames with extended characters not ignored correctly on macOS
-
[#&#8203;9668](https://redirect.github.com/syncthing/syncthing/issues/9668):
The Web UI defaults to Filipino on Finnish browsers.
-
[#&#8203;9670](https://redirect.github.com/syncthing/syncthing/issues/9670):
lib/api: /svc/lang disregards the passed quality values
-
[#&#8203;9719](https://redirect.github.com/syncthing/syncthing/issues/9719):
Unable to establish/maintain multiple connections due to connection
priority error

Enhancements:

-
[#&#8203;9715](https://redirect.github.com/syncthing/syncthing/issues/9715):
Lower the log level of "already connected to this device" to DEBUG (is:
INFO)

</details>

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This PR has been generated by [Renovate
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Co-authored-by: alfi0812 <43101280+alfi0812@users.noreply.github.com>

charts/stable/syncthing/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 1.27.12
+appVersion: 1.28.0
 dependencies:
   - name: common
     version: 25.0.0
@@ -33,4 +33,4 @@ sources:
   - https://hub.docker.com/r/syncthing/syncthing
   - https://syncthing.net/
 type: application
-version: 20.2.0
+version: 20.3.0

charts/stable/syncthing/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: syncthing/syncthing
   pullPolicy: IfNotPresent
-  tag: 1.27.12@sha256:5fb5438b300a430f0636b60924939defb84f965b15ad7ae16acf5a2ac9c9e5c3
+  tag: 1.28.0@sha256:30b6a53436527edf31d791361d14b1f5119cc6882dbcf07822b618ee7a74e115
 workload:
   main:
     podSpec: