chore(helm): update image ghcr.io/linuxserver/grocy digest to bfb30b3 (#37070)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/linuxserver/grocy](https://redirect.github.com/linuxserver/docker-grocy/packages)
([source](https://redirect.github.com/linuxserver/docker-grocy)) |
digest | `a00f437` -> `bfb30b3` |

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

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charts/stable/grocy/Chart.yaml

@@ -36,5 +36,5 @@ sources:
   - https://github.com/grocy/grocy
   - https://github.com/truecharts/charts/tree/master/charts/stable/grocy
 type: application
-version: 21.0.3
+version: 21.0.4
 

charts/stable/grocy/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: ghcr.io/linuxserver/grocy
-  tag: 4.5.0@sha256:a00f437dfc5ec59faa037fd311b5015af28f72e166a32001b41f96a4d9446bdc
+  tag: 4.5.0@sha256:bfb30b3359746a3da4487f012def5cdb474400fc55b0ba9e719f67723deb61ac
   pullPolicy: IfNotPresent
 service:
   main: