fix(deps): update dependency tslib to v2.6.1 (#338)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [tslib](https://www.typescriptlang.org/)
([source](https://togithub.com/Microsoft/tslib)) | [`2.6.0` ->
`2.6.1`](https://renovatebot.com/diffs/npm/tslib/2.6.0/2.6.1) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/tslib/2.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/tslib/2.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/tslib/2.6.0/2.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/tslib/2.6.0/2.6.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>Microsoft/tslib (tslib)</summary>

###
[`v2.6.1`](https://togithub.com/microsoft/tslib/releases/tag/v2.6.1):
tslib 2.6.1

[Compare
Source](https://togithub.com/Microsoft/tslib/compare/2.6.0...v2.6.1)

#### What's Changed

- Allow functions as values in \__addDisposableResource by
[@&#8203;rbuckton](https://togithub.com/rbuckton) in
[https://github.com/microsoft/tslib/pull/215](https://togithub.com/microsoft/tslib/pull/215)
- Stop using es6 syntax in the es6 file by
[@&#8203;andrewbranch](https://togithub.com/andrewbranch) in
[https://github.com/microsoft/tslib/pull/216](https://togithub.com/microsoft/tslib/pull/216)

**Full Changelog**:
microsoft/tslib@2.6.0...v2.6.1

</details>

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