Bump metascraper-author from 5.33.5 to 5.45.0 in /backend

Bumps [metascraper-author](https://github.com/microlinkhq/metascraper) from 5.33.5 to 5.45.0.
- [Release notes](https://github.com/microlinkhq/metascraper/releases)
- [Changelog](https://github.com/microlinkhq/metascraper/blob/master/CHANGELOG.md)
- [Commits](microlinkhq/metascraper@v5.33.5...v5.45.0)

---
updated-dependencies:
- dependency-name: metascraper-author
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

backend/package.json

@@ -61,7 +61,7 @@
     "lodash": "~4.17.14",
     "merge-graphql-schemas": "^1.7.8",
     "metascraper": "^5.33.5",
-    "metascraper-author": "^5.33.5",
+    "metascraper-author": "^5.45.0",
     "metascraper-date": "^5.33.5",
     "metascraper-description": "^5.33.5",
     "metascraper-image": "^5.33.5",