- Update dependencies and developer dependencies to their latest
versions.
- Switch from Node-Fetch to Undici.
- Update the GitHub Actions workflows to their latest versions.
- Remove Node.js v12 from the testing matrix as it reached it's EoL
(End-of-Life) stage, and add Node.js v16 and v18 to the testing
matrix.
- Align all examples (in README and JSDocs) to the code style of the
codebase.
- Inline JSDocs that only have a description.
- Format the `typedoc.json` file and remove the usage of the `minimal`
theme as it was removed.
- Move the `APIOptions` interface to the `src/typings.ts` file and
export it so it's shown in the documentation.
- Bump version to 3.1.4.