chore: use browser-native UUID function

[jaylinski]

Description

This commit removes the uuid npm-dependency in favor of the browser-native randomUUID-function.

Notes on compatibility

The randomUUID-function is supported by all Nextcloud-supported browsers:

• https://docs.nextcloud.com/server/latest/user_manual/sv/webinterface.html#web-browser-requirements
• https://browserslist.dev/?q=PjAuMjUlLCBub3Qgb3BfbWluaSBhbGwsIG5vdCBkZWFkLCBGaXJlZm94IEVTUg%3D%3D
• https://developer.mozilla.org/en-US/docs/Web/API/Crypto/randomUUID#browser_compatibility

Pros

• Less dependencies, less supply-chain issues, less renovatebot noise
• Dependent packages have to install one less dependency
• When used by the Nextcloud Tasks app, the Tasks app JS bundle will be about 0.32 kB (gzip) smaller

Cons

• No more compatibility fallback for old browsers

Unsolicited meme

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.57%. Comparing base (23f0114) to head (82d8195).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #785   +/-   ##
=======================================
  Coverage   90.56%   90.57%           
=======================================
  Files          54       55    +1     
  Lines        2640     2642    +2     
  Branches      496      496           
=======================================
+ Hits         2391     2393    +2     
  Misses        223      223           
  Partials       26       26           

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