Bump pdf-reader from 2.3.0 to 2.4.0
Bump pdf-reader from 2.3.0 to 2.4.0

Bumps [pdf-reader](https://github.com/yob/pdf-reader) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/yob/pdf-reader/releases)
- [Changelog](https://github.com/yob/pdf-reader/blob/master/CHANGELOG)
- [Commits](https://github.com/yob/pdf-reader/compare/v2.3.0...v2.4.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sue445/ccc_privacy_crawler,sue445/ccc_privacy_crawler,sue445/ccc_privacy_crawler