chore(nextcloud): update image oci.trueforge.org/containerforge/nextcloud-notify-push digest to 75ca1b4 (#43848)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[oci.trueforge.org/containerforge/nextcloud-notify-push](https://ghcr.io/trueforge-org/nextcloud-notify-push)
([source](https://redirect.github.com/nextcloud/notify_push)) | digest |
`0d71640` -> `75ca1b4` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xNy4wIiwidXBkYXRlZEluVmVyIjoiNDIuMTcuMCIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhcHAvbmV4dGNsb3VkIiwiYXV0b21lcmdlIiwicmVub3ZhdGUvY29udGFpbmVyIiwidHlwZS9kaWdlc3QiXX0=-->

charts/stable/nextcloud/Chart.yaml

@@ -51,5 +51,5 @@ sources:
   - https://hub.docker.com/r/clamav/clamav
   - https://hub.docker.com/r/collabora/code
 type: application
-version: 40.6.5
+version: 40.6.6
 

charts/stable/nextcloud/values.yaml

@@ -13,7 +13,7 @@ imaginaryImage:
 hpbImage:
   repository: oci.trueforge.org/containerforge/nextcloud-notify-push
   pullPolicy: IfNotPresent
-  tag: "1.3.0@sha256:0d716406150bbab12c9e058cafb04e43b987582cb1d8ae2f02afdb76037a4f7a"
+  tag: "1.3.0@sha256:75ca1b49cc953411b0bed708b2c81149dfe77e16034936b39ad8947a52e8d1a0"
 clamavImage:
   repository: docker.io/clamav/clamav
   pullPolicy: IfNotPresent