chore(helm): update image docker.io/testdasi/simple-dns-doh digest to 7216f13 (#28178)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/testdasi/simple-dns-doh | digest | `b00ddf0` -> `7216f13` |

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

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charts/stable/dns-doh-companion/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/dns-doh-companion
   - https://hub.docker.com/r/testdasi/simple-dns-doh
 type: application
-version: 7.2.0
+version: 7.2.1

charts/stable/dns-doh-companion/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/testdasi/simple-dns-doh
-  tag: latest@sha256:b00ddf0edcd257640516150e1ada3525e36ec81de6e89f14af88e05baf50c8fe
+  tag: latest@sha256:7216f13855beaf02995af990fca028b01839c0d7c2776f6ac184736aaca6b047
 persistence: {}
 portal:
   open: