build(deps-dev): bump typescript in /token-lending/js (#1210)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.1.4 to 4.1.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.1.4...v4.1.5)

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

Author: dependabot[bot]

token-lending/js/package-lock.json

@@ -67,7 +67,7 @@
     "rollup-plugin-sourcemaps": "^0.6.3",
     "rollup-plugin-typescript2": "^0.29.0",
     "ts-node": "^9.1.1",
-    "typescript": "^4.1.4"
+    "typescript": "^4.1.5"
   },
   "engines": {
     "node": ">= 10"