Update dependency core-js to v3.6.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
core-js	dependencies	patch	3.6.2 -> 3.6.3

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Release Notes

zloirock/core-js

v3.6.3

Compare Source

• Fixed replacement of substitutes of undefined capture groups in .replace in Safari 13.0-, #​471, #​745, thanks @​mattclough1
• Improved compat data for old engines

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[coveralls]

Pull Request Test Coverage Report for Build 2701

• 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 100.0%

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Totals
Change from base Build 2699:	0.0%
Covered Lines:	107
Relevant Lines:	107

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💛 - Coveralls