Bump node-abi from 2.14.0 to 2.15.0

Bumps [node-abi](https://github.com/lgeiger/node-abi) from 2.14.0 to 2.15.0.
- [Release notes](https://github.com/lgeiger/node-abi/releases)
- [Commits](https://github.com/lgeiger/node-abi/compare/v2.14.0...v2.15.0)

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

package.json

@@ -27,7 +27,7 @@
     "graceful-fs": "^4.2.2",
     "html-loader": "0.5.5",
     "json-loader": "0.5.7",
-    "node-abi": "^2.14.0",
+    "node-abi": "^2.15.0",
     "node-gyp": "^6.1.0",
     "node-sass": "^4.13.0",
     "npmlog": "4.1.2",