Bump logstash-logback-encoder from 5.2 to 5.3
Bump logstash-logback-encoder from 5.2 to 5.3

Bumps [logstash-logback-encoder](https://github.com/logstash/logstash-logback-encoder) from 5.2 to 5.3.
- [Release notes](https://github.com/logstash/logstash-logback-encoder/releases)
- [Commits](https://github.com/logstash/logstash-logback-encoder/compare/logstash-logback-encoder-5.2...logstash-logback-encoder-5.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
dbmdz/iiif-bookshelf-webapp,dbmdz/iiif-bookshelf-webapp