v0.3.0

• Add --install/-i CLI option that runs npm install. Can be combined with --exec, in which case exec will be run after install completes.
• Export pollUntilMatchingRelease() and lookupLatestMatchingRelease()
• Provide default npm config when calling lookupLatestMatchingRelease()
• Bump npm-registry-fetch from 8.1.0 to 8.1.1