Update dependency nextcloud/notify_push to v0.7.0 (#117)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [nextcloud/notify_push](https://github.com/nextcloud/notify_push) | minor | `v0.6.12` -> `v0.7.0` |

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### Release Notes

<details>
<summary>nextcloud/notify_push (nextcloud/notify_push)</summary>

### [`v0.7.0`](https://github.com/nextcloud/notify_push/releases/tag/v0.7.0): 0.7.0

[Compare Source](nextcloud/notify_push@v0.6.12...v0.7.0)

#### What's Changed

-   Add app icon by [@&#8203;AndyScherzinger](https://github.com/AndyScherzinger) in nextcloud/notify_push#481
-   docs: clearify that 1.2.3.4 is only a test value by [@&#8203;icewind1991](https://github.com/icewind1991) in nextcloud/notify_push#475
-   feat(deps): Add Nextcloud 30 support by [@&#8203;nickvergessen](https://github.com/nickvergessen) in nextcloud/notify_push#426
-   MSRV has increased to 1.74.1

#### New Contributors

-   [@&#8203;AndyScherzinger](https://github.com/AndyScherzinger) made their first contribution in nextcloud/notify_push#480

**Full Changelog**: nextcloud/notify_push@v0.6.12...v0.7.0

</details>

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Reviewed-on: https://git.walbeck.it/walbeck-it/docker-nextcloud-notify-push/pulls/117
Co-authored-by: renovate-bot <[email protected]>
Co-committed-by: renovate-bot <[email protected]>

Dockerfile

@@ -1,7 +1,7 @@
 FROM rust:1.80.0-bullseye@sha256:f8055497f71faf952afb8a358dbca59e11bb82b94a0cba2a10bb4c05bd802fa0 as build
 
 # renovate: datasource=github-tags depName=nextcloud/notify_push versioning=semver
-ENV NOTIFY_PUSH_VERSION v0.6.12
+ENV NOTIFY_PUSH_VERSION v0.7.0
 
 WORKDIR /notify_push