Thank you all for reporting.
Not seeing this issue on my end. I’m able to visit onedrive.live.com without issue and I can also right-click on the OneDrive icon in the system tray, click View online and the site loads (to the login screen) as expected.
For those of you who are able to visit the site normally in Private windows, can you please try clearing cache/site data for onedrive? I noticed that @tlindi stated that cache was cleared for go.microsoft.com — however, it cache/cookies likely also need to be cleared for additional domains, namely:
Can anyone here experiencing this issue please launch Brave and go to brave://settings/content/all and ensure that you search for and clear all data related to the above domains, then try logging into OneDrive again?