rename docs-utils dependency

package-lock.json

@@ -30983,9 +30983,9 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "openzeppelin-docs-preview": {
-      "version": "github:OpenZeppelin/docs-preview-script#d012a140df023a5b81b4926e5bf595843cd9452e",
-      "from": "github:OpenZeppelin/docs-preview-script",
+    "openzeppelin-docs-utils": {
+      "version": "github:OpenZeppelin/docs-utils#8e3fa255734046186a0cd4c530cca6213629be36",
+      "from": "github:OpenZeppelin/docs-utils",
       "dev": true,
       "requires": {
         "chalk": "^3.0.0",
@@ -30995,6 +30995,7 @@
         "is-port-reachable": "^3.0.0",
         "js-yaml": "^3.13.1",
         "live-server": "^1.2.1",
+        "lodash.startcase": "^4.4.0",
         "minimist": "^1.2.0"
       },
       "dependencies": {

package.json

@@ -62,7 +62,7 @@
     "lodash.startcase": "^4.4.0",
     "micromatch": "^4.0.2",
     "mocha": "^6.2.2",
-    "openzeppelin-docs-preview": "github:OpenZeppelin/docs-preview-script",
+    "openzeppelin-docs-utils": "github:OpenZeppelin/docs-utils",
     "solhint": "2.3.0",
     "solidity-coverage": "github:rotcivegaf/solidity-coverage#5875f5b7bc74d447f3312c9c0e9fc7814b482477",
     "solidity-docgen": "^0.3.13"