RUSTSEC-2021-0153: `encoding` is unmaintained

[github-actions[bot]]

encoding is unmaintained

Details
Status	unmaintained
Package	encoding
Version	0.2.33
URL	https://github.com/lifthrasiir/rust-encoding/issues/127
Date	2021-12-05

Last release was on 2016-08-28. The issue inquiring as to the status of the crate has gone unanswered by the maintainer.

Possible alternatives

• encoding_rs

See advisory page for additional details.