Upgrade dependencies

Author: curran

package.json

@@ -25,12 +25,12 @@
   },
   "homepage": "https://github.com/datavis-tech/json-templates#readme",
   "devDependencies": {
-    "mocha": "^5.0.0",
-    "rollup": "^0.65.2",
-    "rollup-plugin-buble": "^0.19.2"
+    "mocha": "^8.1.3",
+    "rollup": "^2.27.0",
+    "rollup-plugin-buble": "^0.19.8"
   },
   "dependencies": {
-    "dedupe": "^2.1.0",
+    "dedupe": "^3.0.2",
     "object-path": "^0.11.4"
   }
 }