Release procedure

This procedure list is inspired by Eleventy's release instructions.

Create a new release branch. The main branch should already contain all changes to be included in the release.

git s main
git pull
# Replace X, Y, and Z with the correct numbers for
# the version about to be released.
git s -c release/vX.Y.Z

Check that dependencies are up to date.
```
npm outdated
```
[!TIP] All of the prettier-<version> dependencies will show up as outdated. This is expected.

Make sure the lockfile is fresh.

rm -rf node_modules
rm -f package-lock.json
npm install

Run an audit and fix issues.
```
npm audit
```
Make sure npm run lint runs okay.
Make sure npm run test runs okay.
Update version in package.json.
Check in all changes and commit.
Tag the new version
```
git tag vX.Y.Z
```
Push release branch to GitHub and create a PR to main. Make sure to also push tags.
```
git push --tags -u origin <branch-name>
```
Make sure the PR checks run successfully.
Publish to NPM
```
npm publish
```
Create a GitHub release from the new tag.
On this branch, update the changelog by copy-pasting the release description from GitHub. Commit and push the changes.
Merge the PR.

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