Update webdriverio monorepo to ^8.15.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@wdio/cli (source)	^8.14.6 -> ^8.15.0
@wdio/globals (source)	^8.14.6 -> ^8.15.0
@wdio/local-runner (source)	^8.14.6 -> ^8.15.0
@wdio/spec-reporter (source)	^8.14.0 -> ^8.15.0
webdriverio (source)	^8.14.6 -> ^8.15.0

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Release Notes

webdriverio/webdriverio (@​wdio/cli)

v8.15.0

Compare Source

🚀 New Feature

• wdio-appium-service, wdio-browserstack-service, wdio-cli, wdio-firefox-profile-service, wdio-runner, wdio-sauce-service, wdio-testingbot-service, wdio-types
  • #​10803 add parallel multiremote capability (@​ccharnkij)
• wdio-browser-runner, wdio-cli
  • #​10927 (@​wdio/browser-runner): add StencilJS component testing support (@​christian-bromann)

🐛 Bug Fix

• wdio-browser-runner, wdio-cli, wdio-types, wdio-utils, webdriver
  • #​10952 (webdriver): improvements to driver management (@​christian-bromann)

Committers: 2

• Chanatan Charnkijtawarush (@​ccharnkij)
• Christian Bromann (@​christian-bromann)

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Configuration

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