Bump lerna from 3.22.1 to 6.3.0 in /nodejs (aws-observability#392)

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna) from 3.22.1 to 6.3.0.
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/main/core/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v6.3.0/core/lerna)

---
updated-dependencies:
- dependency-name: lerna
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

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

Author: dependabot[bot]

nodejs/package.json

@@ -39,7 +39,7 @@
     "eslint-plugin-header": "3.1.1",
     "eslint-plugin-import": "2.26.0",
     "gts": "3.1.0",
-    "lerna": "3.22.1",
+    "lerna": "6.3.0",
     "lerna-changelog": "1.0.1",
     "rimraf": "3.0.2",
     "typescript": "4.9.3"