chore(helm): update image ghcr.io/linuxserver/lazylibrarian digest to 7a7e555 (#39465)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/linuxserver/lazylibrarian | digest | `5b8dbe1` -> `7a7e555` |

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charts/stable/lazylibrarian/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://gitlab.com/LazyLibrarian/LazyLibrarian.git
   - https://lazylibrarian.gitlab.io
 type: application
-version: 21.4.1
+version: 21.4.2
 

charts/stable/lazylibrarian/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/linuxserver/lazylibrarian
   pullPolicy: IfNotPresent
-  tag: latest@sha256:5b8dbe10ff12ec4d00cd83a2d9f535ec0dd1daa04af557436c83a28d46bccf22
+  tag: latest@sha256:7a7e55575b311b63a97530a209d85569297b574d9ffc92dc26c6d308cccf2847
 service:
   main:
     ports: