v5.1.1: fix brotli options

See: af3da29
Thanks @patrickhulce

v5.1.0: lower brotli defaults to 4

5.1.0

v5.0.1

• fix: fixed test usage to use constants 7b14215
• zlib deprecation prevention (#119) 22c434c

v5.0.0...v5.0.1

v5.0.0

• PR 110: new default (#120) da9833d
• Revert "Use identity as default value for Accept-Encoding if it is blank or not provided (#110)" 0139443
• Use identity as default value for Accept-Encoding if it is blank or not provided (#110) 3d4c0ac

4.0.1...v5.0.0

4.0.1

• fix issue with state being preserved between requests

v4.0.0

• Added brotli supported
• Remove node.js support below v10
• Changed how options are passed to the compression functions

3.1.0

• Added no-transform support: #98