Ensures select element has an accessible name.

[msftedad]

Test Environment:
OS: Windows 11
OS version: 23H2 ((OS Build 26052.1000)
Edge Version: 123.0.2380.1 (Official build) stable app, dev channel (64-bit)
Tool: AI for web/ windows
Typedoc version: v0.25.13

Steps to Reproduce:   

1. Open TypeDoc - v0.25.13 in edge browser.
2. Run accessibility Insights tool and observe the issue.

Actual result:
Select element does not have an accessible name at the theme dropdown.

Expected Result:
Ensures select element has an accessible name.

[Gerrit0]

Fixed with TypeDoc 0.26, which is releasing 2024/06/21