Bump bindings from 1.2.1 to 1.5.0 in /multiple_load/node_10

Bumps [bindings](https://github.com/TooTallNate/node-bindings) from 1.2.1 to 1.5.0.
- [Release notes](https://github.com/TooTallNate/node-bindings/releases)
- [Commits](TooTallNate/node-bindings@v1.2.1...1.5.0)

---
updated-dependencies:
- dependency-name: bindings
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

multiple_load/node_10/package.json

@@ -12,6 +12,6 @@
   },
   "gypfile": true,
   "dependencies": {
-    "bindings": "~1.2.1"
+    "bindings": "~1.5.0"
   }
 }