chore(deps): update dependency rxjs to v7.5.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rxjs (source)	7.5.6 -> 7.5.7

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Release Notes

reactivex/rxjs

v7.5.7

Compare Source

Bug Fixes

• schedulers: improve performance of animationFrameScheduler and asapScheduler (#​7059) (c93aa60), closes #​7017 #​7018 #​6674

Performance Improvements

• animationFrames: uses fewer Subscription instances (#​7060) (2d57b38), closes #​7018

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Configuration

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[coveralls]

Pull Request Test Coverage Report for Build 3125068529

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.868%

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Totals
Change from base Build 3125063179:	0.0%
Covered Lines:	349
Relevant Lines:	349

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💛 - Coveralls