[infer][PR] Bump docusaurus version

Summary: Pull Request resolved: https://github.com/facebook/infer/pull/1256

Reviewed By: ezgicicek

Differential Revision: D21424111

Pulled By: jvillard

fbshipit-source-id: 6220c5ac7

website/package.json

@@ -10,15 +10,15 @@
     "deploy": "docusaurus deploy"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-alpha.48",
+    "@docusaurus/core": "2.0.0-alpha.54",
-    "@docusaurus/preset-classic": "2.0.0-alpha.48",
+    "@docusaurus/preset-classic": "2.0.0-alpha.54",
     "classnames": "2.2.6",
     "react": "16.13.1",
     "react-dom": "16.13.1",
     "react-github-btn": "1.1.1"
   },
   "devDependencies": {
-    "prettier": "2.0.2"
+    "prettier": "2.0.5"
   },
   "browserslist": {
     "production": [

website/src/pages/styles.module.css

@@ -56,14 +56,14 @@
 }
 
 .whoUses {
-  color: var(--ifm-font-base-color-inverse);
+  color: var(--ifm-font-color-base-inverse);
   background-color: var(--ifm-color-primary);
   padding: 4rem 0;
   text-align: left;
 }
 
 .whoUses a {
-  color: var(--ifm-font-base-color-inverse);
+  color: var(--ifm-font-color-base-inverse);
 }
 
 .whoUsesItems {