chore(deps): update dependency terser-webpack-plugin to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
terser-webpack-plugin	devDependencies	major	2.3.7 -> 3.0.8

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Release Notes

webpack-contrib/terser-webpack-plugin

v3.0.8

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v3.0.7

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v3.0.6

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v3.0.5

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v3.0.4

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v3.0.3

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v3.0.2

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v3.0.1

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v3.0.0

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⚠ BREAKING CHANGES

• minimum supported Node.js version is 10.13
• the chunkFilter was removed, please use test/include/exclude options
• change arguments order for the warningFilter option from Function<(warning, file, source) -> Boolean> to Function<(file, warning, source) -> Boolean>
• when the extractComments.filename option is a function it pass only one argument and it is object with filename, basename, query and hash properties
• if the value from the extractComments.filename option conflicts with existing assets, an error will be thrown instead of a warning
• use the optimizeAssets hook for webpack@5

2.3.6 (2020-04-25)

Bug Fixes

• preserve @license comments starting with // (d3f0c81)

2.3.5 (2020-02-14)

Bug Fixes

• do not break code with shebang (fac58cb)

2.3.4 (2020-01-30)

Bug Fixes

• respect stdout and stderr of workers and do not create warnings (#​215) (5708574)
• use webpack hash options rather than hard-code MD4 (#​213) (330c1f6)

2.3.3 (2020-01-28)

Bug Fixes

• license files now have .txt suffix by default (#​210) (de02f7b)
• reduce memory usage (abfd950)

2.3.2 (2020-01-09)

Bug Fixes

• show error message from jest-worker (#​203) (3b28007)

2.3.1 (2019-12-17)

Bug Fixes

• performance (#​200) (d2acd75)

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