build: update @babel/core to version 7.6.3

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
@babel/core (source)	dependencies	patch	7.6.2 -> 7.6.3
@babel/preset-env (source)	dependencies	patch	7.6.2 -> 7.6.3

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Release Notes

babel/babel

v7.6.3

Compare Source

👓 Spec Compliance

• babel-parser
  • #​10469 Disallow await inside async arrow params (@​nicolo-ribaudo)
  • #​10493 [parser] Disallow numeric separators in legacy octal like integers (@​gonzarodriguezt)

🚀 New Feature

• babel-types
  • #​10504 Add declarations for more of @​babel/types exports (@​Jessidhia)

🐛 Bug Fix

• babel-plugin-transform-block-scoping
  • #​10343 Do not remove let bindings even they are wrapped in closure (@​JLHwung)
• babel-parser
  • #​10119 add scope to TSModuleDeclaration (@​tanhauhau)
  • #​10332 Do not allow member expressions to start async arrows (@​nicolo-ribaudo)
  • #​10490 [parser] Don't crash on comment after trailing comma after elision (@​nicolo-ribaudo)
• babel-plugin-transform-react-constant-elements, babel-traverse
  • #​10529 Do not hoist jsx referencing a mutable binding (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-plugin-transform-block-scoping, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-typescript
  • #​10220 Flow: interface identifier should be declared in the scope (@​JLHwung)

💅 Polish

• babel-core
  • #​10419 assertNoDuplicates throw with more context (@​hjdivad)
  • #​10511 Add filename to transform error (@​JLHwung)

🏠 Internal

• Other
  • #​10506 Use make -j for parallel build (@​JLHwung)
  • #​10443 perf: only apply lazy cjs module transform on cli and core (@​JLHwung)
  • #​10494 Enable optional chaining and nullish coalescing plugins (@​nicolo-ribaudo)
• babel-cli, babel-core, babel-generator, babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-transform-react-jsx-source, babel-plugin-transform-runtime, babel-preset-env, babel-preset-react
  • #​10249 Add windows to travis (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-parser
  • #​10371 perf: replace lookahead by lookaheadCharCode (@​JLHwung)
• Other
  • #​10443 perf: only apply lazy cjs module transform on cli and core (@​JLHwung)

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