sync: master to alpha

package.json

@@ -37,8 +37,8 @@
     "@edx/new-relic-source-map-webpack-plugin": "2.1.0",
     "@fullhuman/postcss-purgecss": "5.0.0",
     "@pmmmwh/react-refresh-webpack-plugin": "0.5.11",
-    "@svgr/webpack": "8.0.1",
-    "autoprefixer": "10.4.15",
+    "@svgr/webpack": "8.1.0",
+    "autoprefixer": "10.4.16",
     "babel-jest": "26.6.3",
     "babel-loader": "9.1.3",
     "babel-plugin-react-intl": "7.9.4",
@@ -63,8 +63,8 @@
     "image-minimizer-webpack-plugin": "3.8.3",
     "jest": "26.6.3",
     "mini-css-extract-plugin": "1.6.2",
-    "postcss": "8.4.28",
-    "postcss-custom-media": "10.0.0",
+    "postcss": "8.4.30",
+    "postcss-custom-media": "10.0.1",
     "postcss-loader": "7.3.3",
     "postcss-rtlcss": "4.0.7",
     "react-dev-utils": "12.0.1",