Bump css-what from 2.1.0 to 2.1.3

Bumps [css-what](https://github.com/fb55/css-what) from 2.1.0 to 2.1.3.
- [Release notes](https://github.com/fb55/css-what/releases)
- [Commits](https://github.com/fb55/css-what/compare/v2.1.0...v2.1.3)

---
updated-dependencies:
- dependency-name: css-what
  dependency-type: indirect
...

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

package-lock.json

@@ -2751,9 +2751,9 @@
       }
     },
     "css-what": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
-      "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg=="
     },
     "cssesc": {
       "version": "0.1.0",
@@ -2922,9 +2922,9 @@
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "decode-uri-component": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
-      "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ=="
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
+      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU="
     },
     "deep-diff": {
       "version": "0.3.8",