Bump diff from 5.2.0 to 8.0.3 in /web

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] <[email protected]>

Author: dependabot[bot]

web/oss/package.json

@@ -72,7 +72,7 @@
         "classnames": "^2.3.2",
         "clsx": "^2.1.1",
         "dayjs": "^1.11.10",
-        "diff": "^5.2.0",
+        "diff": "^8.0.3",
         "dotenv": "^16.5.0",
         "fast-deep-equal": "^3.1.3",
         "highlight.js": "^11.11.1",