Bump @babel/preset-env from 7.4.5 to 7.5.4 in /webapp

Sourced from @babel/preset-env's releases.

v7.5.4 (2019-07-09)

Bug Fix

• babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #10188 Fix _objectSpread2 for real ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

Committers: 1

• Nicolò Ribaudo ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

v7.5.3 (2019-07-09)

Bug Fix

• babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #10180 [_objectSpread2] Do not use hoisted var from prev iteration ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

Committers: 1

• Nicolò Ribaudo ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

v7.5.2 (2019-07-08)

Bug Fix

• babel-plugin-transform-typescript
  • #10174 Do not trust Scope when removing TypeScript types ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #10171 Don't rely on getOwnPropertyDescriptors in objectSpread2 ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from
  • #10172 fix: register injected importDeclaration (@​JLHwung)

Committers: 2

• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

v7.5.1 (2019-07-06)

Bug Fix

• babel-helpers, babel-plugin-proposal-object-rest-spread
  • #10170 Fix objectSpread2 backward compatibility ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-transform-typescript
  • #10167 Retain typescript export-from-source (@​Wolvereness)

Committers: 2

• Nicolò Ribaudo ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• Wesley Wolfe (@​Wolvereness)

v7.5.0 (2019-07-04)

... (truncated)

Sourced from @babel/preset-env's changelog.

v7.5.4 (2019-07-09)

Bug Fix

• babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #10188 Fix _objectSpread2 for real ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

v7.5.3 (2019-07-09)

Bug Fix

• babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #10180 [_objectSpread2] Do not use hoisted var from prev iteration ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))

v7.5.2 (2019-07-08)

Bug Fix

• babel-plugin-transform-typescript
  • #10174 Do not trust Scope when removing TypeScript types ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #10171 Don't rely on getOwnPropertyDescriptors in objectSpread2 ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from
  • #10172 fix: register injected importDeclaration (@​JLHwung)

v7.5.1 (2019-07-06)

Bug Fix

• babel-helpers, babel-plugin-proposal-object-rest-spread
  • #10170 Fix objectSpread2 backward compatibility ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-transform-typescript
  • #10167 Retain typescript export-from-source (@​Wolvereness)

v7.5.0 (2019-07-04)

Spec Compliance

• babel-parser
  • #10099 Disallow "let" as name at lexical bindings ([@​g-plane](https://github.com/g-plane))

New Feature

• babel-parser
  • #10091 BigInt type for Flow (@​tanhauhau)
  • #9450 Implement f# pipeline in parser (@​mAAdhaTTah)
  • #9912 [legacy decorators] Allow decorating generator methods ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
  • #9864 [@babel/parser] Add "allowUndeclaredExports" option ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-proposal-dynamic-import, babel-preset-env-standalone, babel-preset-env
  • #10109 Add @babel/plugin-proposal-dynamic-import to @babel/preset-env ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-proposal-dynamic-import, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs
  • #9552 Create @babel/plugin-proposal-dynamic-import ([@​nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
  • #9984 Transform for F# Pipeline (@​thiagoarrais)
• babel-plugin-transform-typescript, babel-types
  • #9785 Implement TypeScript namespace support (@​Wolvereness)

... (truncated)

• a9a7f4e v7.5.4
• fa5ec75 Fix _objectSpread2 for real (#10188)
• b961d39 Add v7.5.3 to CHANGELOG.md [skip ci]
• 759ff4d v7.5.3
• 9e65472 [_objectSpread2] Do not use hoisted var from prev iteration (#10180)
• 25f040c Add v7.5.2 to CHANGELOG.md [skip ci]
• 0dbf99b v7.5.2
• f48b47c Do not trust Scope when removing TypeScript types (#10174)
• 406a65c Don't rely on getOwnPropertyDescriptors in objectSpread2 (#10171)
• 075a502 fix: register injected importDeclaration (#10172)
• Additional commits viewable in compare view

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