Bump postcss-cli from 7.1.1 to 7.1.2 (#31566)

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 7.1.1 to 7.1.2.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-cli@7.1.1...7.1.2)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>

package.json

@@ -127,7 +127,7 @@
     "nodemon": "^2.0.4",
     "npm-run-all": "^4.1.5",
     "popper.js": "^1.16.1",
-    "postcss-cli": "^7.1.1",
+    "postcss-cli": "^7.1.2",
     "rollup": "^2.26.5",
     "rollup-plugin-istanbul": "^2.0.1",
     "shelljs": "^0.8.4",