Update minor devDeps

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint (source)	devDependencies	patch	7.12.0 -> 7.12.1
eslint-config-prettier	devDependencies	minor	6.14.0 -> 6.15.0

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Release Notes

eslint/eslint

### [`v7.12.1`](https://togithub.com/eslint/eslint/releases/v7.12.1) [Compare Source](https://togithub.com/eslint/eslint/compare/v7.12.0...v7.12.1) - [`08f33e8`](https://togithub.com/eslint/eslint/commit/08f33e8b9a353c3183be6f937785db7a30fb90eb) Upgrade: [@​eslint/eslintrc](https://togithub.com/eslint/eslintrc) to fix rule schema validation (fixes [#​13793](https://togithub.com/eslint/eslint/issues/13793)) ([#​13794](https://togithub.com/eslint/eslint/issues/13794)) (Brandon Mills) - [`aeef485`](https://togithub.com/eslint/eslint/commit/aeef485dc790571b1a82ac09904329e0226b66a9) Fix: Pass internal config paths in FileEnumerator default (fixes [#​13789](https://togithub.com/eslint/eslint/issues/13789)) ([#​13792](https://togithub.com/eslint/eslint/issues/13792)) (Brandon Mills) - [`631ae8b`](https://togithub.com/eslint/eslint/commit/631ae8b50e5f7975f10860e9e763b70b4f25182e) Sponsors: Sync README with website (ESLint Jenkins)

prettier/eslint-config-prettier

### [`v6.15.0`](https://togithub.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md#Version-6150-2020-10-27) [Compare Source](https://togithub.com/prettier/eslint-config-prettier/compare/v6.14.0...v6.15.0) - Added: [@​typescript-eslint/space-infix-ops]. Thanks to Masafumi Koba ([@​ybiquitous](https://togithub.com/ybiquitous))!!

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