How to reproduce:
1. Create a new project in a folder named "Lietuvių Kalbos Žodynu"
2. Change platform to "WebGL"
3. Make sure "Compression Format" is set to "Brotli" (Player Settings -> Publishing Settings)
4."Build & Run" a WebGL build in the new folder named "Lietuvių Kalbos Žodynu"
Expected result: Build succeeds
Actual result: Build fails
Reproducible: 2020.3.30f1, 2021.2.13f1, 2022.1.0b9, 2022.2.0a6