Bump webpack-merge from 4.2.1 to 5.0.9

[dependabot-preview]

Bumps webpack-merge from 4.2.1 to 5.0.9.

Changelog

Sourced from webpack-merge's changelog.

5.0.9 / 2020-07-09

• Fix - Don't crash on merge() and merge([]). Now {} is returned in these corner cases.

5.0.8 / 2020-07-07

• Fix - Support Node 10 #138

5.0.7 / 2020-07-06

• Fix - Drop tslib dependency by setting "importHelpers": false,

5.0.6 / 2020-07-06

• Fix - Add tslib to dependencies

5.0.5 / 2020-07-06

• Tech - Optimize build size (UMD isn't needed)

5.0.4 / 2020-07-06

• Documentation - Use CommonJS imports at the examples. #137

5.0.3 / 2020-07-06

• Feature - Support TypeScript out of the box. #84 #86 #95 #110 #112
• Deprecation - merge.smart has been dropped as it's tricky to support all the corner cases. Instead, it's better to use the provided utilities to put together a merge that fits your case.
• Deprecation - mergeStrategy has been dropped in favor of using mergeWithCustomize with customizeArray and customizeObject.
• Deprecation - merge.multiple has been dropped as the functionality was too specific and it's better to implement in the user space if needed.
• Breaking - merge has been moved as a regular import (i.e. import { merge } from 'webpack-merge').
• Breaking - Merge customization has been moved behind mergeWithCustomize.
• Breaking - Bump supported Node version to 12
• Feature - customizeArray supports wildcards now. Example: 'entry.*': 'prepend'. #45 #99
• Feature - Throw an error in case a Promise is being merged. It's better to wrap configuration within a Promise and merge inside it. #81
• Fix - Drop lodash in favor of simpler dependencies. #134
• Fix - Make unique merge from right to left to match behavior elsewhere. #119
• Fix - Make sure unique doesn't lose non-unique items to merge. #125

Special thanks to Google and Addy Osmani for supporting the work financially as it allowed me to complete the work required by the new major release.

4.2.2 / 2019-08-27

• Fix - Update minimum version of lodash to 4.17.15 in order to avoid npm audit warning. #116
• Docs - Improve merge.unique documentation. #103
• Docs - Add clear note about precedence. #115

Commits

• 8bf5d21 5.0.9
• 9e7f6dd fix: Don't crash on merge() or merge([])
• 968b6df 5.0.8
• d523f4a fix: Fix changelog versioning
• aae2c4c fix: Add Jest setup
• 7bdd036 fix: Add support for Node 10
• 9bc18f7 5.0.7
• 176076a fix: Drop tslib dependency
• 9e5a774 5.0.6
• e601b55 fix: Add tslib to dependencies
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #76.