chore(deps-dev): bump @wdio/browserstack-service from 6.12.1 to 7.0.0 (#1478)

Bumps [@wdio/browserstack-service](https://github.com/webdriverio/webdriverio) from 6.12.1 to 7.0.0.
- [Release notes](https://github.com/webdriverio/webdriverio/releases)
- [Changelog](https://github.com/webdriverio/webdriverio/blob/main/CHANGELOG.md)
- [Commits](webdriverio/webdriverio@v6.12.1...v7.0.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -64,7 +64,7 @@
     "@storybook/cli": "^5.3.8",
     "@storybook/polymer": "^5.3.8",
     "@storybook/storybook-deployer": "^2.8.1",
-    "@wdio/browserstack-service": "^6.1.10",
+    "@wdio/browserstack-service": "^7.0.0",
     "@wdio/cli": "^6.1.12",
     "@wdio/local-runner": "^6.1.12",
     "@wdio/mocha-framework": "^7.0.7",