Update minor devDeps

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
eslint (source)	7.16.0 -> 7.17.0
eslint-plugin-react	7.21.5 -> 7.22.0
postcss (source)	8.2.1 -> 8.2.2
webpack-dev-server	3.11.0 -> 3.11.1

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Release Notes

eslint/eslint

v7.17.0

Compare Source

• e128e77 Update: check logical assignment in no-constant-condition (#​13946) (Milos Djermanovic)
• cc48713 Chore: refactor calculating range and loc in no-useless-escape (#​13964) (Milos Djermanovic)
• 535fe47 Update: use regexpp's default ecmaVersion in no-control-regex (#​13969) (Milos Djermanovic)
• 83e98cd Fix: use regexpp's default ecmaVersion in no-invalid-regexp (#​13968) (Milos Djermanovic)
• 7297363 Docs: fix examples for no-multi-str (#​13966) (Milos Djermanovic)
• 0649871 Update: add autofix to rule multiline-ternary (#​13958) (薛定谔的猫)
• f6e7e32 Fix: no-useless-escape wrong loc and fix with CRLF in template elements (#​13953) (Milos Djermanovic)
• 19c69c0 Fix: one-var shouldn't split declaration if it isn't in a statement list (#​13959) (Milos Djermanovic)
• e451b96 Docs: update build tool for webpack (#​13962) (Sam Chen)
• c3e9acc Chore: fix typos (#​13960) (YeonJuan)
• 7289ecf Sponsors: Sync README with website (ESLint Jenkins)

yannickcr/eslint-plugin-react

v7.22.0

Compare Source

postcss/postcss

v8.2.2

Compare Source

• Fixed CSS-in-JS support (by James Garbutt).
• Fixed plugin types (by Ludovico Fischer).
• Fixed Result#warn() types.

webpack/webpack-dev-server

v3.11.1

Compare Source

3.11.1 (2020-12-29)

Bug Fixes

• the open option works using webpack serve without value (#​2948) (4837dc9)
• vulnerable deps (#​2949) (78dde50)

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