[Deps] update md5.js, safe-buffer

Author: ljharb

package.json

@@ -28,10 +28,10 @@
     "cipher-base": "^1.0.4",
     "hash-base": "=3.0.3",
     "inherits": "^2.0.4",
-    "md5.js": "^1.3.4",
+    "md5.js": "^1.3.5",
     "readable-stream": "^2.3.8",
     "ripemd160": "^2.0.2",
-    "safe-buffer": "^5.0.1",
+    "safe-buffer": "^5.2.1",
     "sha.js": "^2.4.11"
   },
   "optionalDependencies": {