Update webdriverio monorepo to v7 (major)

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@wdio/cli	^5.16.7 -> ^7.0.0
@wdio/junit-reporter	^5.15.5 -> ^6.0.0
@wdio/mocha-framework	^5.16.5 -> ^6.0.0

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	CVE	GitHub Issue
High	9.8	CVE-2020-7774	#287
High	9.8	CVE-2021-3918	#347
High	9.8	CVE-2022-29078	#401
High	9.8	WS-2021-0153	#352
High	7.8	CVE-2021-43138	#393
High	7.5	CVE-2020-28469	#349
High	7.5	CVE-2021-23343	#346
High	7.4	CVE-2020-8203	#254
High	7.2	CVE-2021-23337	#344

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	CVE	GitHub Issue
High	9.8	CVE-2021-44906	#450
High	7.5	CVE-2021-3765	#354

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	CVE	GitHub Issue
High	7.5	CVE-2021-3807	#356

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