Bump reffy from 19.1.2 to 19.1.5 (#2043)

Bumps [reffy](https://github.com/w3c/reffy) from 19.1.2 to 19.1.5.
- [Changelog](https://github.com/w3c/reffy/blob/main/CHANGELOG.md)
- [Commits](https://github.com/w3c/reffy/commits)

---
updated-dependencies:
- dependency-name: reffy
  dependency-version: 19.1.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "ajv-formats": "^3.0.1",
     "commander": "^14.0.0",
     "puppeteer": "^24.15.0",
-    "reffy": "^19.1.2",
+    "reffy": "^19.1.5",
     "rimraf": "^6.0.1",
     "undici": "^7.12.0"
   }