Summary of changes:
6594851... Update to 83.0.4103.97 (*)
6314d66... Fix crash in ServiceWorker (*)
0b01f6a... Update to 83.0.4103.106 (*)
a5dfb5b... Disable python byte compiling (*)
faad28c... Update to 83.0.4103.116 (*)
fc21bc1... Sync spec and sources with free/chromium-freeworld (*)
3c5d625... Update ungoogled-chromium to 83.0.4103.116-1 (*)
2fdd830... Try alternative locations for the Widevine CDM library (*)
(*) This commit already existed in another branch; no separate mail sent