chore(deps): update typescript-eslint monorepo to v1.8.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
@​typescript-eslint/eslint-plugin	devDependencies	minor	1.7.0 -> 1.8.0	source
@​typescript-eslint/parser	devDependencies	minor	1.7.0 -> 1.8.0	source

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Release Notes

typescript-eslint/typescript-eslint

### [`v1.8.0`](https://togithub.com/typescript-eslint/typescript-eslint/blob/master/CHANGELOG.md#​180httpsgithubcomtypescript-eslinttypescript-eslintcomparev170v180-2019-05-10) [Compare Source](https://togithub.com/typescript-eslint/typescript-eslint/compare/v1.7.0...v1.8.0) ##### Bug Fixes - **eslint-plugin:** [array-type] support readonly operator ([#​429](https://togithub.com/typescript-eslint/typescript-eslint/issues/429)) ([8e2d2f5](https://togithub.com/typescript-eslint/typescript-eslint/commit/8e2d2f5)) - **eslint-plugin:** [explicit-function-return-type] Add handling for class properties ([#​502](https://togithub.com/typescript-eslint/typescript-eslint/issues/502)) ([2c36325](https://togithub.com/typescript-eslint/typescript-eslint/commit/2c36325)) - **eslint-plugin:** [no-extra-parens] Fix build error ([298d66c](https://togithub.com/typescript-eslint/typescript-eslint/commit/298d66c)) - **eslint-plugin:** [unbound-method] Work around class prototype bug ([#​499](https://togithub.com/typescript-eslint/typescript-eslint/issues/499)) ([3219aa7](https://togithub.com/typescript-eslint/typescript-eslint/commit/3219aa7)) - **eslint-plugin:** correct eslint-recommended settings ([d52a683](https://togithub.com/typescript-eslint/typescript-eslint/commit/d52a683)) - **eslint-plugin:** explicit-func-return-type: support object types and as expressions ([#​459](https://togithub.com/typescript-eslint/typescript-eslint/issues/459)) ([d19e512](https://togithub.com/typescript-eslint/typescript-eslint/commit/d19e512)) - **eslint-plugin:** restrict-plus-operands: generic constraint support ([#​440](https://togithub.com/typescript-eslint/typescript-eslint/issues/440)) ([3f305b1](https://togithub.com/typescript-eslint/typescript-eslint/commit/3f305b1)) - upgrade lockfile versions ([#​487](https://togithub.com/typescript-eslint/typescript-eslint/issues/487)) ([f029dba](https://togithub.com/typescript-eslint/typescript-eslint/commit/f029dba)) - **eslint-plugin:** Support more nodes [no-extra-parens]([#​465](https://togithub.com/typescript-eslint/typescript-eslint/issues/465)) ([2d15644](https://togithub.com/typescript-eslint/typescript-eslint/commit/2d15644)) - **eslint-plugin:** support switch statement [unbound-method]([#​485](https://togithub.com/typescript-eslint/typescript-eslint/issues/485)) ([e99ca81](https://togithub.com/typescript-eslint/typescript-eslint/commit/e99ca81)) - **typescript-estree:** ensure parents are defined during subsequent parses ([#​500](https://togithub.com/typescript-eslint/typescript-eslint/issues/500)) ([665278f](https://togithub.com/typescript-eslint/typescript-eslint/commit/665278f)) ##### Features - **eslint-plugin:** (EXPERIMENTAL) begin indent rewrite ([#​439](https://togithub.com/typescript-eslint/typescript-eslint/issues/439)) ([6eb97d4](https://togithub.com/typescript-eslint/typescript-eslint/commit/6eb97d4)) - **eslint-plugin:** Add better non-null handling [no-unnecessary-type-assertion]([#​478](https://togithub.com/typescript-eslint/typescript-eslint/issues/478)) ([4cd5590](https://togithub.com/typescript-eslint/typescript-eslint/commit/4cd5590)) - **eslint-plugin:** Add func-call-spacing ([#​448](https://togithub.com/typescript-eslint/typescript-eslint/issues/448)) ([92e65ec](https://togithub.com/typescript-eslint/typescript-eslint/commit/92e65ec)) - **eslint-plugin:** Add new config "eslint-recommended" ([#​488](https://togithub.com/typescript-eslint/typescript-eslint/issues/488)) ([2600a9f](https://togithub.com/typescript-eslint/typescript-eslint/commit/2600a9f)) - **eslint-plugin:** add no-magic-numbers rule ([#​373](https://togithub.com/typescript-eslint/typescript-eslint/issues/373)) ([43fa09c](https://togithub.com/typescript-eslint/typescript-eslint/commit/43fa09c)) - **eslint-plugin:** Add semi [extension]([#​461](https://togithub.com/typescript-eslint/typescript-eslint/issues/461)) ([0962017](https://togithub.com/typescript-eslint/typescript-eslint/commit/0962017)) - **eslint-plugin:** no-inferrable-types: Support more primitives ([#​442](https://togithub.com/typescript-eslint/typescript-eslint/issues/442)) ([4e193ca](https://togithub.com/typescript-eslint/typescript-eslint/commit/4e193ca)) - **ts-estree:** add preserveNodeMaps option ([#​494](https://togithub.com/typescript-eslint/typescript-eslint/issues/494)) ([c3061f9](https://togithub.com/typescript-eslint/typescript-eslint/commit/c3061f9)) - Move shared types into their own package ([#​425](https://togithub.com/typescript-eslint/typescript-eslint/issues/425)) ([a7a03ce](https://togithub.com/typescript-eslint/typescript-eslint/commit/a7a03ce))

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