Write `/devops` scripts 📂

[EthanThatOneKid]

• [x] Upgrade Dependency^{upgrade-dep.ts}: A script that overwrites all imports of a specific library with a specific version.
• [ ] Bundle: A script that bundles the Fart library to other JavaScript runtimes (e.g. es6, commonjs).
• [ ] Runtest: A script that runs a runtest; a test that tests the compiled types for validity in multiple languages (#10).
• [ ] Docs^web.ts: #11