v0.4.2

This is a minor release, with updates to the documentation, and various minor improvements:

• Parameterize dtype for TFHubExtractor, add ImageResizingFilter + ImageRescalingFilter (#459)
• Add Librosa fundamental frequency (#461)
• Updated documentation (#445, #448, #447, #446), moved to ReadTheDocs (#482), and added video to README (#454)
• Add more information to docstring for MFCCEnergyExtractor (#463)
• Import ABC from collections.abc for Python 3.10 compatibility (#467)

The following extractor was deprecated:

• Remove MicrosoftAPIFaceEmotionExtractor (#471)

Bug fixes and housekeeping:

• FIX: Google APIs (remove discoveryServiceUrl) (#478)
• FIX: Tests (#457, #477)
• Move to Clarifai-GRPC to fix Clarifai extractors (#474)
• FIX: Change excel engine (#455)
• Build docker image with github actions (#452)
• Update links from Naturalistic Data course (#458)