v0.4.11

Improvements

• Support a space or T in FromStr for DateTime<Tz>, meaning that e.g.
  dt.to_string().parse::<DateTime<Utc>>() now correctly works on round-trip.
  (@quodlibetor in #378)
• Support "negative UTC" in parse_from_rfc2822 (@quodlibetor #368 reported in
  #102)
• Support comparisons of DateTimes with different timezones (@dlalic in #375)
• Many documentation improvements

Bitrot and external integration fixes

• Don't use wasmbind on wasi (@coolreader18 #365)
• Avoid deprecation warnings for Error::description (@AnderEnder and
  @quodlibetor #376)

Internal improvements

• Use Criterion for benchmarks (@quodlibetor)