chore(deps): pin dependencies

Author: renovate-bot

package-lock.json

@@ -45,18 +45,18 @@
     "extends": "react-app"
   },
   "devDependencies": {
-    "@kkt/loader-less": "^5.3.0",
+    "@kkt/loader-less": "5.3.0",
     "@types/codemirror": "0.0.76",
-    "babel-plugin-transform-remove-imports": "^1.3.2",
-    "classnames": "^2.2.6",
-    "code-example": "^2.0.0",
-    "highlight.js": "^9.17.1",
-    "kkt": "^5.3.0",
-    "raw-loader": "^4.0.0",
-    "react": "^16.12.0",
-    "react-dom": "^16.12.0",
-    "react-markdown": "^4.3.1",
-    "tsbb": "^1.4.0"
+    "babel-plugin-transform-remove-imports": "1.3.2",
+    "classnames": "2.2.6",
+    "code-example": "2.0.0",
+    "highlight.js": "9.17.1",
+    "kkt": "5.3.0",
+    "raw-loader": "4.0.0",
+    "react": "16.12.0",
+    "react-dom": "16.12.0",
+    "react-markdown": "4.3.1",
+    "tsbb": "1.4.0"
   },
   "browserslist": {
     "production": [