This is the easiest way to connect your VSCODE with github.

remote: Support for password authentication was removed on August 13, 2021. Please use a personal access token instead.
remote: Please see https://github.blog/2020-12-15-token-authentication-requirements-for-git-operations/ for more information.
fatal: unable to access 'https://github.com/XXX/XXX.git/': The requested URL returned error: 403

Reference: Creating Personal Access Token

Use Github Personal Access Token on VSCode or any servers | Github Update on August 13, 2021

When you clone the repository

git clone https://<TOKEN>@github.com/<username>/<repository_name>.git

Example

git clone https://[email protected]/siakew/personal-access-token.git

Or for existing repository

git remote set-url origin https://<TOKEN>@github.com/<username>/<repository_name>.git

Example

git remote set-url origin https://[email protected]/siakew/personal-access-token.git