De-sobekify `BrowserContext` methods

[inancgumus]

See grafana/k6#4219.

Tasks

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1. Desobekify BrowserContext methods #1504
   mapping stability +2
   
2. Fix the Geolocation.Accuracy field and adds a test #1507
   bug +1
   
3. Desobekify BrowserContext option parsing #1510
   refactor stability +2
   
4. Desobekify BrowserContext.grantPermissions options parsing #1511
   refactor stability +2
   
5. Desobekify BrowserContext wait for event options #1512
   refactor stability +2
   
6. Desobekify BrowserContext geolocation #1513
   refactor stability +2
   
7. Desobekify Credentials #1518
   refactor stability +2
   
8. Desobekify Screen #1519
   refactor stability +2
   
9. Desobekify Viewport #1520
   refactor stability +2
   
10. Removes the forgotten Geolocation.Parse #1521
    maintenance refactor +2
    
11. Refactor parseBrowserContextOptions to Sobek #1526
    maintenance refactor +2
    
12. Remove forgotten NewGeolocation #1527
    maintenance refactor +2
    
13. Add release notes