Added

• add ristretto_pom crate
• implement java.lang.Record
• implement java/util/zip package

Fixed

• improve Java 8 support

Other

• create ristretto_intrinsics and ristretto_types crates
• refactor ClassFile::from_bytes interface to avoid allocation when loading classes
• update Java 17 tests to 17.0.18.9.1
• increase instruction yield count
• optimize ldc/ldc_w to load integer and float synchronously