deps: bump unique-filename from 1.1.1 to 2.0.0 (#123)

Bumps [unique-filename](https://github.com/npm/unique-filename) from 1.1.1 to 2.0.0.
- [Release notes](https://github.com/npm/unique-filename/releases)
- [Changelog](https://github.com/npm/unique-filename/blob/main/CHANGELOG.md)
- [Commits](npm/unique-filename@v1.1.1...v2.0.0)

---
updated-dependencies:
- dependency-name: unique-filename
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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package.json

@@ -65,7 +65,7 @@
     "rimraf": "^3.0.2",
     "ssri": "^9.0.0",
     "tar": "^6.1.11",
-    "unique-filename": "^1.1.1"
+    "unique-filename": "^2.0.0"
   },
   "devDependencies": {
     "@npmcli/eslint-config": "^3.0.1",