chore(deps): update dependency zitadel to 7.0.6 (#102)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [Zitadel](https://redirect.github.com/smartive/zitadel-net) | `7.0.5`
-> `7.0.6` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Zitadel/7.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/Zitadel/7.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/Zitadel/7.0.5/7.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Zitadel/7.0.5/7.0.6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>smartive/zitadel-net (Zitadel)</summary>

###
[`v7.0.6`](https://redirect.github.com/smartive/zitadel-net/releases/tag/v7.0.6)

##### Bug Fixes

- **deps:** update dependency google.protobuf to 3.29.1
([#&#8203;946](https://redirect.github.com/smartive/zitadel-net/issues/946))
([548f693](https://redirect.github.com/smartive/zitadel-net/commit/548f693b9c9d658b9dd57bb799ba5378edf184d3))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 9pm,before 6am" in timezone
Europe/Zurich, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, 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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/smartive/cas-fee-adv-mumble-api).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS40Mi40IiwidXBkYXRlZEluVmVyIjoiMzkuNDIuNCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZGVwZW5kZW5jaWVzIl19-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

MumbleApi/MumbleApi.csproj

@@ -23,7 +23,7 @@
       <PackageReference Include="Swashbuckle.AspNetCore" Version="7.1.0" />
       <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="7.1.0" />
       <PackageReference Include="Ulid" Version="1.3.4" />
-      <PackageReference Include="Zitadel" Version="7.0.5" />
+      <PackageReference Include="Zitadel" Version="7.0.6" />
     </ItemGroup>
 
     <ItemGroup>