types: fix hook array

[mgrybyk]

Proposed changes

Hook types should also allow arrays.

I know that some hooks don't support arrays, not sure which exactly. Assuming following hooks to accept functions and array of functions: "onPrepare" | "onComplete" | "before" | "after" | "beforeSession" | "afterSession"

Hooks: onPrepare, onComplete, onReload, before, beforeCommand, beforeHook, beforeSession, beforeSuite, beforeTest, afterHook, after, afterCommand, afterSession, afterSuite, afterTest, beforeFeature, beforeScenario, beforeStep, afterFeature, afterScenario, afterStep

Let me know what other hooks should be added.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

fix #4104

Reviewers: @webdriverio/technical-committee

[codecov]

Codecov Report

Merging #4114 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4114   +/-   ##
=======================================
  Coverage   99.25%   99.25%           
=======================================
  Files         163      163           
  Lines        3913     3913           
  Branches      863      863           
=======================================
  Hits         3884     3884           
  Misses         26       26           
  Partials        3        3

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[christian-bromann]

👍