build(deps-dev): bump @types/node in /token-lending/js (#1638)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.14.41 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] <support@github.com>

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

token-lending/js/package-lock.json

@@ -348,9 +348,9 @@
       }
     },
     "@types/node": {
-      "version": "14.14.41",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.41.tgz",
-      "integrity": "sha512-dueRKfaJL4RTtSa7bWeTK1M+VH+Gns73oCgzvYfHZywRCoPSd8EkXBL0mZ9unPTveBn+D9phZBaxuzpwjWkW0g=="
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.0.0.tgz",
+      "integrity": "sha512-YN1d+ae2MCb4U0mMa+Zlb5lWTdpFShbAj5nmte6lel27waMMBfivrm0prC16p/Di3DyTrmerrYUT8/145HXxVw=="
     },
     "@types/prettier": {
       "version": "2.2.3",

token-lending/js/package.json

@@ -47,7 +47,7 @@
     "@types/eslint-plugin-prettier": "^3.1.0",
     "@types/mkdirp": "^1.0.1",
     "@types/mz": "^2.7.3",
-    "@types/node": "^14.14.41",
+    "@types/node": "^15.0.0",
     "@types/prettier": "^2.2.3",
     "@types/rollup-plugin-json": "^3.0.2",
     "@typescript-eslint/eslint-plugin": "^4.22.0",