You now need to add the repository SSH key to any of the main repository hosts, on which your code repository of the project is hosted.
For Github
To add repository SSH key, Login to Github, Click on Settings > Click on SSH and GPG Keys on Left side menu > Click on New SSH Key

Provide the title that can be memorize and paste the copied key from Projects in Key box.

For Gitea
To add repository SSH key, Login to Gitea, Click on Settings > Go to SSH/GPG Keys > Click on Add Key

Provide the name and paste the copied key from Projects in content box.
