Bump @types/node from 14.14.42 to 15.0.0 (#87)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.42 to 15.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
   "homepage": "https://github.com/fastify/fastify-redis#readme",
   "devDependencies": {
     "@types/ioredis": "^4.19.3",
-    "@types/node": "^14.14.26",
+    "@types/node": "^15.0.0",
     "fastify": "^3.11.0",
     "proxyquire": "^2.1.3",
     "redis": "^3.0.2",