The idea is simple: read equality deletes files and construct a notIn function as filter

TODO:

• support multiple equality deletes files
• support schema evolution between equality deletes files
• write integration tests
• update docs

Will continue these tasks after position deletes is merged

Changelog category (leave one):

• New Feature

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Support Equality Deletes for Iceberg Table/TableFunction

Documentation entry for user-facing changes

• Documentation is written (mandatory for new features)