Bump chrono from 0.4.7 to 0.4.10

[dependabot-preview]

Bumps chrono from 0.4.7 to 0.4.10.

Changelog

Sourced from chrono's changelog.

0.4.10

Improvements

• DateTime::parse_from_str is more than 2x faster in some cases. (@​michalsrb
  #358)
• Significant improvements to no-std and alloc support (This should also make
  many format/serialization operations induce zero unnecessary allocations)
  (@​CryZe #341)

Features

• Functions that were accepting Iterator of Items (for example
  format_with_items) now accept Iterator of Borrow<Item>, so one can
  use values or references. (@​michalsrb #358)
• Add built-in support for structs with nested Option<Datetime> etc fields
  (@​manifest #302)

Internal/doc improvements

• Use markdown footnotes on the strftime docs page (@​qudlibetor #359)
• Migrate from try! -> ? (question mark) because it is now emitting
  deprecation warnings and has been stable since rustc 1.13.0
• Deny dead code

0.4.9

Fixes

• Make Datetime arithmatic adjust their offsets after discovering their new
  timestamps (@​quodlibetor #337)
• Put wasm-bindgen related code and dependencies behind a wasmbind feature
  gate. (@​quodlibetor #335)

0.4.8

Fixes

• Add '0' to single-digit days in rfc2822 date format (@​wyhaya #323)
• Correctly pad DelayedFormat (@​SamokhinIlya #320)

Features

• Support wasm-unknown-unknown via wasm-bindgen (in addition to
  emscripten/wasm-unknown-emscripten). (finished by @​evq in #331, initial
  work by @​jjpe #287)

Commits

• 5905935 Merge pull request #361 from quodlibetor/deny-dead-code
• 41700d1 Remove unused constant, deny(dead_code)
• 5b4fc23 Merge pull request #360 from quodlibetor/chrono-0_4_10
• 288f1dd Merge pull request #356 from quodlibetor/num_days_from_epoch-docs
• 670561b Prepare for and Bump Chrono version to 0.4.10
• 6622bdc Replace all uses of try! with question mark
• 46f8267 Merge pull request #358 from michalsrb/optimize-parsing
• b717e04 Handle some semantic merge conflicts
• 27f5e5e Temporarily globally allow deprecated
• 0b8c248 Fix build with rust 1.13.0
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #57.