Bump @types/node from 15.6.0 to 15.12.4 (#390)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 15.6.0 to 15.12.4.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

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

Author: dependabot[bot]

yarn.lock

@@ -3599,9 +3599,9 @@
     form-data "^3.0.0"
 
 "@types/node@*", "@types/node@>= 8", "@types/node@^15.0.1":
-  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==
+  version "15.12.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-15.12.4.tgz#e1cf817d70a1e118e81922c4ff6683ce9d422e26"
+  integrity sha512-zrNj1+yqYF4WskCMOHwN+w9iuD12+dGm0rQ35HLl9/Ouuq52cEtd0CH9qMgrdNmi5ejC1/V7vKEXYubB+65DkA==
 
 "@types/node@^14.0.10":
   version "14.14.44"