build(deps): bump polished from 3.6.6 to 4.0.3 in /docs (#1482)

Bumps [polished](https://github.com/styled-components/polished) from 3.6.6 to 4.0.3.
- [Release notes](https://github.com/styled-components/polished/releases)
- [Commits](https://github.com/styled-components/polished/compare/v3.6.6...v4.0.3)

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

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

docs/package-lock.json

@@ -17409,11 +17409,21 @@
       }
     },
     "polished": {
-      "version": "3.6.6",
-      "resolved": "https://registry.npmjs.org/polished/-/polished-3.6.6.tgz",
-      "integrity": "sha512-yiB2ims2DZPem0kCD6V0wnhcVGFEhNh0Iw0axNpKU+oSAgFt6yx6HxIT23Qg0WWvgS379cS35zT4AOyZZRzpQQ==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/polished/-/polished-4.0.3.tgz",
+      "integrity": "sha512-yOALHMrqcYHlHIxFkHvGX8NGsjsbSaYMZ8Z3uEElVpzF5ZgNmTgqMOh4bnSVXGC6sXjBTZCH6+GebTRWhJR4zQ==",
       "requires": {
-        "@babel/runtime": "^7.9.2"
+        "@babel/runtime": "^7.12.0"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.12.1",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.1.tgz",
+          "integrity": "sha512-J5AIf3vPj3UwXaAzb5j1xM4WAQDX3EMgemF8rjCP3SoW09LfRKAXQKt6CoVYl230P6iWdRcBbnLDDdnqWxZSCA==",
+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        }
       }
     },
     "portfinder": {

docs/package.json

@@ -38,7 +38,7 @@
     "gatsby-transformer-remark": "^2.8.28",
     "gatsby-transformer-sharp": "^2.5.15",
     "gatsby-transformer-yaml": "^2.4.11",
-    "polished": "^3.6.6",
+    "polished": "^4.0.3",
     "prism-react-renderer": "^1.1.1",
     "prop-types": "^15.7.2",
     "puppeteer": "^5.4.1",