chore(helm): update image quay.io/hedgedoc/hedgedoc digest to 248d964 (#32339)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [quay.io/hedgedoc/hedgedoc](https://hedgedoc.org)
([source](https://redirect.github.com/hedgedoc/container)) | digest |
`bd14854` -> `248d964` |

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charts/stable/hedgedoc/Chart.yaml

@@ -31,4 +31,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/hedgedoc
   - https://quay.io/hedgedoc/hedgedoc
 type: application
-version: 14.6.3
+version: 14.6.4

charts/stable/hedgedoc/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: quay.io/hedgedoc/hedgedoc
   pullPolicy: IfNotPresent
-  tag: 1.10.2@sha256:bd148542ea60a502fd2c87e6644a021923798fe1a135569d037b0f2116048db7
+  tag: 1.10.2@sha256:248d964e9a3c32ebf531847063112c51324474e7cb2393bbf615d82341b64e69
 service:
   main:
     ports: