chore: Update master -> main

Author: nschonni

CONTRIBUTING.md

@@ -16,10 +16,10 @@ If you'd like to help us by submitting a PR for a version update, please do the
 
 1. [Fork this project.](https://help.github.com/en/github/getting-started-with-github/fork-a-repo)
 1. [Clone the forked repository.](https://help.github.com/en/github/creating-cloning-and-archiving-repositories/cloning-a-repository)
-1. Create a branch for the update PR. For example, `git checkout master; git checkout -b version-update`.
+1. Create a branch for the update PR. For example, `git checkout main; git checkout -b version-update`.
 1. Run `./update.sh`. You can see additional options by using accessing the built-in help documentation with `./update.sh -h`. This script will automatically update the appropriate files with the latest versions and checksums.
 1. Commit the modified files to the `version-update` branch and push the branch to your fork.
-1. [Create a PR to merge the branch from your fork into this project's master branch.](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork).
+1. [Create a PR to merge the branch from your fork into this project's default branch.](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork).
 
 ## Adding dependencies to the base images
 

README.md

@@ -213,8 +213,7 @@ repository.
 ## License
 
 [License information](https://github.com/nodejs/node/blob/master/LICENSE) for
-the software contained in this image. [License
-information](https://github.com/nodejs/docker-node/blob/master/LICENSE) for the
+the software contained in this image. [License information](LICENSE) for the
 Node.js Docker project.
 
 ## Supported Docker versions
@@ -234,7 +233,7 @@ This project will support Node.js versions as still under active support as per
 ## Governance and Current Members
 
 The Node.js Docker Image is governed by the Docker Working Group. See
-[GOVERNANCE.md](https://github.com/nodejs/docker-node/blob/master/GOVERNANCE.md)
+[GOVERNANCE.md](GOVERNANCE.md)
 to learn more about the group's structure and [CONTRIBUTING.md](CONTRIBUTING.md) for guidance
 about the expectations for all contributors to this project.