⬆️ Updates @types/node to v15

Signed-off-by: Renovate Bot <bot@renovateapp.com>

Author: renovate-bot

package-lock.json

@@ -61,7 +61,7 @@
         "@semantic-release/release-notes-generator": "^9.0.1",
         "@types/jest": "^26.0.20",
         "@types/lodash.mergewith": "^4.6.6",
-        "@types/node": "^14.14.35",
+        "@types/node": "15.12.1",
         "@types/prettier": "^2.1.5",
         "@typescript-eslint/eslint-plugin": "^4.15.0",
         "@typescript-eslint/parser": "^4.15.0",