Bump mini-css-extract-plugin from 2.6.0 to 2.6.1 (#2701)

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/webpack-contrib/mini-css-extract-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/v2.6.0...v2.6.1)

---
updated-dependencies:
- dependency-name: mini-css-extract-plugin
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -107,7 +107,7 @@
     "js-yaml": "^4.1.0",
     "json-minimizer-webpack-plugin": "^4.0.0",
     "lefthook": "^1.1.1",
-    "mini-css-extract-plugin": "^2.2.2",
+    "mini-css-extract-plugin": "^2.6.1",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.3.2",
     "rimraf": "^3.0.2",

yarn.lock

@@ -5825,10 +5825,10 @@ min-document@^2.19.0:
   dependencies:
     dom-walk "^0.1.0"
 
-mini-css-extract-plugin@^2.2.2:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.6.0.tgz#578aebc7fc14d32c0ad304c2c34f08af44673f5e"
-  integrity sha512-ndG8nxCEnAemsg4FSgS+yNyHKgkTB4nPKqCOgh65j3/30qqC5RaSQQXMm++Y6sb6E1zRSxPkztj9fqxhS1Eo6w==
+mini-css-extract-plugin@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.6.1.tgz#9a1251d15f2035c342d99a468ab9da7a0451b71e"
+  integrity sha512-wd+SD57/K6DiV7jIR34P+s3uckTRuQvx0tKPcvjFlrEylk6P4mQ2KSWk1hblj1Kxaqok7LogKOieygXqBczNlg==
   dependencies:
     schema-utils "^4.0.0"