chore(deps): update dependency @sourcegraph/eslint-config to v0.31.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@sourcegraph/eslint-config	0.27.1 -> 0.31.0

Test plan: CI should pass with updated dependencies. No review required: this is an automated dependency update PR.

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Release Notes

sourcegraph/eslint-config

### [`v0.31.0`](https://togithub.com/sourcegraph/eslint-config/releases/tag/v0.31.0) [Compare Source](https://togithub.com/sourcegraph/eslint-config/compare/v0.30.0...v0.31.0) ##### Features - disable unicorn/number-literal-case ([#​255](https://togithub.com/sourcegraph/eslint-config/issues/255)) ([3c04ae6](https://togithub.com/sourcegraph/eslint-config/commit/3c04ae6d004149747fe93eb93953292aa006e2f7)) ### [`v0.30.0`](https://togithub.com/sourcegraph/eslint-config/releases/tag/v0.30.0) [Compare Source](https://togithub.com/sourcegraph/eslint-config/compare/v0.29.0...v0.30.0) ##### Features - Upgrade to v^5.20.0 [@​typescript-eslint/eslint-plugin](https://togithub.com/typescript-eslint/eslint-plugin) ([dc1cd97](https://togithub.com/sourcegraph/eslint-config/commit/dc1cd976fc133311a937e1ec015de3ef42071e78)) ### [`v0.29.0`](https://togithub.com/sourcegraph/eslint-config/releases/tag/v0.29.0) [Compare Source](https://togithub.com/sourcegraph/eslint-config/compare/v0.28.0...v0.29.0) ##### Features - bump jsx-a11y ([#​248](https://togithub.com/sourcegraph/eslint-config/issues/248)) ([ce8b02e](https://togithub.com/sourcegraph/eslint-config/commit/ce8b02ef817a83894c17ede3d10b13b2829df42b)) ### [`v0.28.0`](https://togithub.com/sourcegraph/eslint-config/releases/tag/v0.28.0) [Compare Source](https://togithub.com/sourcegraph/eslint-config/compare/v0.27.1...v0.28.0) ##### Features - enable component display name warnings for react. ([#​245](https://togithub.com/sourcegraph/eslint-config/issues/245)) ([913e156](https://togithub.com/sourcegraph/eslint-config/commit/913e156a761c4fac0ba250ad7406bd6e1dcb7f08))

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Configuration

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