Bump openzeppelin-docs-utils from `af3466e` to `459f171` (#2094)

Bumps [openzeppelin-docs-utils](https://github.com/OpenZeppelin/docs-utils) from `af3466e` to `459f171`.
- [Release notes](https://github.com/OpenZeppelin/docs-utils/releases)
- [Commits](af3466e234...459f1710a0)

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

package-lock.json

@@ -31274,8 +31274,8 @@
       }
     },
     "openzeppelin-docs-utils": {
-      "version": "github:OpenZeppelin/docs-utils#af3466e2342fa004288b1b77841fa519148a879b",
-      "from": "github:OpenZeppelin/docs-utils",
+      "version": "github:OpenZeppelin/docs-utils#459f1710a07ec02cbd683cab4800c32a07aed274",
+      "from": "github:OpenZeppelin/docs-utils#459f1710a07ec02cbd683cab4800c32a07aed274",
       "dev": true,
       "requires": {
         "chalk": "^3.0.0",