Update dependency eslint-plugin-promise to v3.8.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-promise	devDependencies	minor	3.7.0 -> 3.8.0

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Release Notes

xjamundx/eslint-plugin-promise

v3.8.0

Compare Source

• Removed promise/avoid-new from recommended configuration
  (#​119)
• Ignored event listener callbacks in promise/prefer-await-to-callbacks
  (#​117)
• Ignored top-level awaits in promise/prefer-await-to-then
  (#​126)
• Added docs for promise/no-nesting and promise/prefer-await-to-then
  (#​120)
  (#​121)

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[coveralls]

Coverage decreased (-0.1%) to 94.013% when pulling 301d9e8 on renovate/eslint-plugin-promise-3.x into 06a8346 on master.