chore(deps-dev): bump lerna from 6.6.2 to 7.2.0

Bumps [lerna](https://github.com/lerna/lerna/tree/HEAD/packages/lerna) from 6.6.2 to 7.2.0.
- [Release notes](https://github.com/lerna/lerna/releases)
- [Changelog](https://github.com/lerna/lerna/blob/main/packages/lerna/CHANGELOG.md)
- [Commits](https://github.com/lerna/lerna/commits/v7.2.0/packages/lerna)

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

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

package.json

@@ -40,7 +40,7 @@
     "@backstage/cli": "^0.22.8",
     "@spotify/prettier-config": "^14.0.0",
     "@types/react": "^17.0.0",
-    "lerna": "^6.6.2",
+    "lerna": "^7.2.0",
     "prettier": "^2.2.1",
     "react": "^17.0.0",
     "react-dom": "^17.0.0",