chore(deps): update rust-wasm-bindgen monorepo

[ScriptedAlchemy]

This PR contains the following updates:

Package	Type	Update	Change
wasm-bindgen-futures (source)	dev-dependencies	minor	0.3.22 -> 0.4.0
wasm-bindgen-test	dev-dependencies	minor	0.2.45 -> 0.3.0

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Release Notes

rustwasm/wasm-bindgen (wasm-bindgen-test)

v0.2.50

Compare Source

Released 2019-08-19.

Added

• Experimental support with a WASM_INTERFACE_TYPES=1 environment variable has
  been added to emit a Wasm Interface Types custom section, making the output of
  wasm-bindgen a single standalone WebAssembly file.
  #​1725

Fixed

• Unrelated errors are now no longer accidentally swallowed by the
  instantiateStreaming fallback.
  #​1723

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v0.2.49

Compare Source

Released 2019-08-14.

Added

• Add binding for Element.getElementsByClassName.
  #​1665

• PartialEq and Eq are now implemented for all web-sys types.
  #​1673

• The wasm-bindgen-futures crate now has support for futures when the
  experimental WebAssembly threading feature is enabled.
  #​1514

• A new enable-interning feature is available to intern strings and reduce the
  cost of transferring strings across the JS/Rust boundary.
  #​1612

• The wasm-bindgen CLI has experimental support for reading native
  webidl-bindings custom sections and generating JS glue. This support is in
  addition to Rust's own custom sections and allows using wasm-bindgen with
  binaries produced by other than rustc possibly.
  #​1690

• New environment variables have been added to configure webdriver startup
  arguments.
  #​1703

• New JsValue::{is_truthy,is_falsy} methods are now available.
  #​1638

Changed

• JS import shims are now skipped again when they are unnecessary.
  #​1654

• WebAssembly output files now directly embed the module/name for imports if
  supported for the target and the import, reducing JS shims even further.
  #​1689

Fixed

• Support for threads have been updated for LLVM 9 and nightly Rust.
  #​1675
  #​1688

• The anyref passes in wasm-bindgen have seen a number of fixes to improve
  their correctness and get the full test suite running.
  #​1692
  #​1704

• Support for futures-preview 0.3.0-alpha.18 has been added to
  wasm-bindgen-futures.
  #​1716

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v0.2.48

Compare Source

Released 2019-07-11.

Added

• All typed arrays now implement From for the corresponding Rust slice type,
  providing a safe way to create an instance which copies the data.
  #​1620

• Function::bind{2,3,4} are now available in js-sys.
  #​1633

Changed

• More WebGL methods have been updated to use shared slices instead of mutable
  slices.
  #​1639

• When using the bundler target the import of the wasm file now uses the
  .wasm extension to ensure a wasm file is loaded.
  #​1646

• The old internal Stack trait has been removed since it is no longer used.
  #​1624

Fixed

• The js_sys::global() accessor now attempts other strategies before falling
  back to a Function constructor which can violate some strict CSP settings.
  #​1650

• Dropping a JsFuture no longer logs a benign error to the console.
  #​1649

• Fixed an assertion which could happen in some modules when generating
  bindings.
  #​1617

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v0.2.47

Compare Source

Released 2019-06-19.

Changed

• The HtmlHyperlinkElement should now include more native methods after a
  small edit to the WebIDL.
  #​1604

• Duplicate names for getters/setters now have a first-class wasm-bindgen
  error.
  #​1605

Fixed

• TypeScript definition of init with --target web now reflects that the
  first argument is optional.
  #​1599

• A panic with the futures 0.3 support has been fixed.
  #​1598

• More slice types are recognized as becoming immutable in some WebIDL methods.
  #​1602

• The function table is now no longer too aggressively removed.
  #​1606

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v0.2.46

Compare Source

Released 2019-06-14.

Added

• Bindings for Array#flat and Array#flatMap have been added.
  #​1573

• All #[wasm_bindgen] types now AsRef to themselves.
  #​1583

• When using --target web the path passed to init is no longer required.
  #​1579

Fixed

• Some diagnostics related to compiler errors in #[wasm_bindgen] have been
  improved.
  #​1550

• The support for weak references has been updated to the current JS proposal.
  #​1557

• Documentation and feature gating for web-sys dictionaries has improved.
  #​1572

• Getter and setter TypeScript has been fixed.
  #​1577

• The env_logger crate and its tree of dependencies is no longer required to
  build web-sys.
  #​1586

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