Update dependency eslint-loader to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
eslint-loader	devDependencies	major	3.0.3 -> 4.0.2

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Release Notes

webpack-contrib/eslint-loader

v4.0.2

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v4.0.1

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v4.0.0

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Breaking Changes

• drop support for Node < 10.13.0
• minimum supported eslint version is 6

3.0.4 (2020-04-02)

Bug Fixes

• #​316 updating loader-fs-cache min version (#​317) (796e3d1)

3.0.3 (2019-12-06)

Bug Fixes

• check result object (#​311) (6bb1fa6)
• support webpack 5 (#​312) (c0a9d0c)

3.0.2 (2019-09-27)

Bug Fixes

• check if contain results (#​300) (7d1d1fe)
• ensure output file path (#​299) (16e9ccf)

3.0.1 (2019-09-25)

Bug Fixes

• module build failed error at Linter.parseResults (#​294) (360e69c)

3.0.0 (2019-08-24)

Bugfix

• fix corrupted filenames if cwd == "/"
• cannot use string formatter in outputReport
• no Output Report in File when build fails under webpack 4
• add posibility to use absolute file path in outputReport.filePath
• it should be possible to use absolute file path in outputReport.filePath
• try load official formatter (#​285) (997cce5)
• emit warning/error if no config was found/given (#​286) (4204560)

Features

• validate schema options

Breaking Changes

• drop support for Node < 8.9.0
• minimum supported webpack version is 4
• minimum supported eslint version is 5

v3.0.4

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