chore(container): update tccr.io/tccr/alpine docker tag to v3.21.0 (#…

…30460)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [tccr.io/tccr/alpine](https://redirect.github.com/truecharts/public) |
final | minor | `v3.20.3` -> `v3.21.0` |

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

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containers/apps/lvm-disk-watcher/Dockerfile

@@ -1,4 +1,4 @@
-FROM tccr.io/tccr/alpine:v3.20.3@sha256:0f0162635afb50d4794d7fd92b74c635ae3422cc426284da88e5e8754d1cfdcd
+FROM tccr.io/tccr/alpine:v3.21.0@sha256:ec64547ad03f8d44c8d361fb3542df8cfe1012d8d79fe13fbb7ba977f07f6d7c
 
 ARG TARGETPLATFORM
 ARG VERSION