Support for password authentication was removed on August 13, 2021. Please use a personal access token instead – Fix for Mac – What I Broke – Programming and Web Development
HOW TO: Fix git fatal: Authentication failed (Windows Git Bash) - YouTube
GitHub Authentication Failure when Clone, Fetch, Pull and Push
Getting "fatal: Authentication failed" -error when sending git commands in Windows 10 - Stack Overflow
git - remote: Invalid username or password. fatal: Authentication failed for [remote's URL] - yctct
git - remote: Invalid username or password, fatal: Authentication failed for - Stack Overflow
GIT Fatal error: Authentication failed in Visual Studio - Stack Overflow
Fix GitHub's 'support for password authentication was removed' error