chore(helm): update image docker.io/revenz/fenrus digest to b2d0a5a (#37159)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/revenz/fenrus | digest | `ad2af9f` -> `b2d0a5a` |

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

---

### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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charts/stable/fenrus/Chart.yaml

@@ -35,5 +35,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/fenrus
   - https://hub.docker.com/r/revenz/fenrus
 type: application
-version: 8.0.5
+version: 8.0.6
 

charts/stable/fenrus/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/revenz/fenrus
-  tag: latest@sha256:ad2af9f34b3d163cb04536030dead590379c5cdb47faaac9602a4efc7e2b3ed8
+  tag: latest@sha256:b2d0a5a669a88f22a4ce6a56a97ed60f863d756609aa13a0ca0073a671d2e872
 persistence:
   data:
     enabled: true