Update dependency tslib to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tslib (source)	dependencies	major	^1.13.0 -> ^2.0.1

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Release Notes

Microsoft/tslib

v2.0.1

Compare Source

1. Use Object.prototype.hasOwnProperty.call.
2. Skip default when iterating exports in __importStar.
3. Shorter parameter name in __exportStar.

v2.0.0

Compare Source

This release changes __exportStar and __importStar to use __createBinding which is incompatible with versions of TypeScript older than 3.9 (i.e. 3.8 and below).

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[coveralls]

Coverage remained the same at 96.443% when pulling 9a212ba on renovate/tslib-2.x into 0eaca34 on master.