chore(deps): update dependency prettier to v1.18.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
prettier (source)	devDependencies	minor	1.17.1 -> 1.18.2

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Release Notes

prettier/prettier

v1.18.2

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• TypeScript: only add trailing commas in tuples for --trailing-comma=all ([#​6199] by @​duailibe)

  In Prettier 1.18 we added trailing commas in tuples when --trailing-comma=all, but it was also adding for --trailing-comma=es5.

  [#​6199]: #​6199

  @​duailibe: https://github.com/duailibe

v1.18.1

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• TypeScript: Add trailing comma in tsx, only for arrow function (#​6190 by @​sosukesuzuki)

  Prettier inserts a trailing comma to single type parameter for arrow functions in tsx, since v 1.18. But, this feature inserts a trailing comma to type parameter for besides arrow functions too (e.g, function , interface). This change fix it.

  // Input
  interface Interface1<T> {
    one: "one";
  }
  function function1<T>() {
    return "one";
  }
  
  // Output (Prettier stable)
  interface Interface1<T,> {
    one: "one";
  }
  function function1<T,>() {
    return "one";
  }
  
  // Output (Prettier master)
  interface Interface1<T> {
    one: "one";
  }
  function function1<T>() {
    return "one";
  }

• Config: Match dotfiles in config overrides (#​6194 by @​duailibe)

  When using overrides in the config file, Prettier was not matching dotfiles (files that start with .). This was fixed in 1.18.1

v1.18.0

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[coveralls]

Coverage remained the same at 99.529% when pulling 2de9f55 on renovate/eslint-and-prettier into 8271d16 on master.