Cannot update to 34.0.3

### ⚠️ Before submitting, please verify the following: ⚠️

- [x] This is a **bug**, not a question or a configuration issue.
- [x] This issue is **not** already reported on Github (I have searched for it).
- [x] Nextcloud Server and Desktop Client are **up to date**. See [Server Maintenance and Release Schedule](https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule) and [Desktop Releases](https://nextcloud.com/install/#install-clients) for supported versions.
- [x] I agree to follow Nextcloud's [Code of Conduct](https://nextcloud.com/contribute/code-of-conduct/)

### Bug description

I am unable to update through the client:

### Steps to reproduce

1. Click on "Install Update"
2. It fails.

### Expected behavior

The update should be installed with no issues.

### Which files are affected by this bug

none

### Operating system

macOS

### Which version of the operating system you are running.

Attempted in two machines: 14.8.9 (23J631) & 26.6.2 (25G83)

### Installation method

Other

### Nextcloud Server version

?

### Nextcloud Desktop Client version

Nextcloud Desktop Client Version 33.0.7 (macOS running on cocoa)

### Did this occur after an update or on a clean installation?

Minor version update (i.e. 33.0.0 → 33.0.1)

### Are you using the Nextcloud Server Encryption module?

No

### Are you using an external user-backend?

- [x] Default internal user-backend
- [ ] LDAP or Active Directory
- [ ] SSO - SAML
- [ ] Other

### Nextcloud Server logs

```shell

```

### Additional info

_No response_

No source files or tests are identified. Start by reproducing the failed update on macOS with Nextcloud Desktop Client 33.0.7 and inspect the update failure details shown in the attached screenshots. Done means the client can install the update successfully on the affected macOS versions, with relevant logs or a reproducible failure captured if it cannot.

Written by the indexing model from the issue text.