Update dependency eslint to v5.15.3

This MR contains the following updates:

Package	Type	Update	Change	References
eslint	devDependencies	patch	5.15.2 -> 5.15.3	homepage, source

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Release Notes

eslint/eslint

v5.15.3

Compare Source

• 71adc66 Fix: avoid moving comments in implicit-arrow-linebreak (fixes #​11521) (#​11522) (Teddy Katz)
• 1f715a2 Chore: make test-case-property-ordering reasonable (#​11511) (Toru Nagashima)

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