Bump lerna from 6.4.0 to 6.4.1 (#7015)

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/core/lerna) from 6.4.0 to 6.4.1.
- [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/v6.4.1/core/lerna)

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

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

@@ -24,6 +24,6 @@
   },
   "devDependencies": {
     "adr": "^1.4.3",
-    "lerna": "^6.3.0"
+    "lerna": "^6.4.1"
   }
 }