build(deps): bump diff from 5.2.0 to 8.0.3 (#528)

Bumps [diff](https://github.com/kpdecker/jsdiff) from 5.2.0 to 8.0.3.
- [Changelog](https://github.com/kpdecker/jsdiff/blob/master/release-notes.md)
- [Commits](kpdecker/jsdiff@v5.2.0...v8.0.3)

---
updated-dependencies:
- dependency-name: diff
  dependency-version: 8.0.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "@octokit/rest": "^20.1.2",
     "@types/yargs": "^16.0.0",
     "async-retry": "^1.3.1",
-    "diff": "^5.0.0",
+    "diff": "^8.0.3",
     "glob": "^7.1.6",
     "parse-diff": "^0.11.0",
     "yargs": "^16.0.0"