fix(deps): update all (major)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@testing-library/react	dependencies	major	9.5.0 -> 10.0.0
tslint (source)	devDependencies	major	5.20.1 -> 6.1.0

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Release Notes

testing-library/react-testing-library

### [`v10.0.0`](https://togithub.com/testing-library/react-testing-library/releases/v10.0.0) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v9.5.0...v10.0.0) ##### Bug Fixes - remove deprecated cleanup-after-each ([#​598](https://togithub.com/testing-library/react-testing-library/issues/598)) ([7942f68](https://togithub.com/testing-library/react-testing-library/commit/7942f684509831afcdd4d88b191e9193fab576ff)) - **node:** drop Node 8 support ([#​576](https://togithub.com/testing-library/react-testing-library/issues/576)) ([fccc2cf](https://togithub.com/testing-library/react-testing-library/commit/fccc2cf302c1af2281712baa0bdad5a2b93c3212)), closes [#​575](https://togithub.com/testing-library/react-testing-library/issues/575) ##### Features - Flush microtasks in cleanup ([#​519](https://togithub.com/testing-library/react-testing-library/issues/519)) ([9fc8581](https://togithub.com/testing-library/react-testing-library/commit/9fc8581713d03972f935132b5cfab316d6b93abe)) - update [@​testing-library/dom](https://togithub.com/testing-library/dom) ([435098c](https://togithub.com/testing-library/react-testing-library/commit/435098c3a05ca4e9cadc0c8f2ef50c0e1dcc2ebd)) ##### BREAKING CHANGES - This removes `@testing-library/react/cleanup-after-each` which is deprecated and hasn't done anything for many versions. - **node:** This release drops support for Node 8. Upgrade to Node 10 or greater. - The latest version of DOM Testing Library has several breaking changes you will want to review the changelog of DOM Testing Library to ensure you are uneffected.

palantir/tslint

### [`v6.1.0`](https://togithub.com/palantir/tslint/blob/master/CHANGELOG.md#v610) [Compare Source](https://togithub.com/palantir/tslint/compare/6.0.0...6.1.0) - [enhancement] Upgrade to TypeScript 3.8, support new syntax ([#​4915](https://togithub.com/palantir/tslint/issues/4915)) - [docs][`no-object-literal-type-assertion`]() fix typo in rule description ([#​4911](https://togithub.com/palantir/tslint/issues/4911)) Thanks to our contributors! - Daniel Zwelling - Ryan Delaney ### [`v6.0.0`](https://togithub.com/palantir/tslint/blob/master/CHANGELOG.md#v600) [Compare Source](https://togithub.com/palantir/tslint/compare/5.20.1...6.0.0) This version has been marked as deprecated on NPM to encourage users to migrate to ESLint. - [bugfix] fix `enforce-trailing-newline` option in [`file-header`](https://palantir.github.io/tslint/rules/file-header/) rule ([#​4890](https://togithub.com/palantir/tslint/issues/4890)) - [bugfix] avoid writing to temp files with `writeFileSync` on macOS 10.15 ([#​4887](https://togithub.com/palantir/tslint/issues/4887)) - [bugfix] fix crash in [`completed-docs`](https://palantir.github.io/tslint/rules/completed/) rule when tag contents are undefined ([#​4895](https://togithub.com/palantir/tslint/issues/4895)) - [docs] fix example code of Radix rule ([#​4892](https://togithub.com/palantir/tslint/issues/4892)) - [docs] Add missing colon after `[error]` in testing rules documentation ([#​4903](https://togithub.com/palantir/tslint/issues/4903)) Thanks to our contributors! - Ivan Sorokin - Tanmoy Bhowmik - Meng Wang - Jay Bhagat - Aman Sharma - Josh Goldberg

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