v2.2.0

What's Changed

• Minor fixes by @wjuan-mob in #3
• Updating docker to latest image to get #![feature(nonzero_leading_trailing_zeros)] by @wjuan-mob in #4
• Updating rustfmt.toml to set wrap_comments=true by @wjuan-mob in #5
• Adding signed cmov by @wjuan-mob in #6
• Unstable library feature by @wjuan-mob in #9
• add additional test functions by @garbageslam in #13
• Updating Rust Toolchain by @wjuan-mob in #10
• run cargo update by @garbageslam in #14
• Upgrade rust version by @remoun in #16
• Prepare release 2.2 by @remoun in #18

Full Changelog: https://github.com/mobilecoinfoundation/mc-oblivious/commits/v2.2.0