build(deps): bump @types/node from 15.3.1 to 15.6.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.3.1 to 15.6.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

packages/core/package.json

@@ -33,7 +33,7 @@
     "@storybook/react": "^6.1.21",
     "@testing-library/jest-dom": "5.11.6",
     "@types/jest": "^26.0.23",
-    "@types/node": "^15.3.1",
+    "@types/node": "^15.6.0",
     "@types/react": "17.0.6",
     "@types/react-dom": "^17.0.5",
     "@types/webpack": "^4.41.11",

packages/structure/package.json

@@ -35,7 +35,7 @@
     "@types/fs-extra": "^9.0.11",
     "@types/lodash": "^4.14.170",
     "@types/lru-cache": "^5.1.0",
-    "@types/node": "^15.3.1",
+    "@types/node": "^15.6.0",
     "@types/vscode": "^1.46.0"
   },
   "jest": {

yarn.lock

@@ -4711,10 +4711,10 @@
     "@types/node" "*"
     form-data "^3.0.0"
 
-"@types/node@*", "@types/node@>= 8", "@types/node@>=12.12.47", "@types/node@^15.3.1":
-  version "15.3.1"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.3.1.tgz#23a06b87eedb524016616e886b116b8fdcb180af"
-  integrity sha512-weaeiP4UF4XgF++3rpQhpIJWsCTS4QJw5gvBhQu6cFIxTwyxWIe3xbnrY/o2lTCQ0lsdb8YIUDUvLR4Vuz5rbw==
+"@types/node@*", "@types/node@>= 8", "@types/node@>=12.12.47", "@types/node@^15.6.0":
+  version "15.6.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.6.0.tgz#f0ddca5a61e52627c9dcb771a6039d44694597bc"
+  integrity sha512-gCYSfQpy+LYhOFTKAeE8BkyGqaxmlFxe+n4DKM6DR0wzw/HISUE/hAmkC/KT8Sw5PCJblqg062b3z9gucv3k0A==
 
 "@types/node@^10.1.0":
   version "10.17.55"