Release v1.6

What's Changed

• Increase version number by @rlreamy in #39
• KPMP-5365: replace tissueType by @HaneenT in #40
• add clinical information with endpoint by @Dert1129 in #41
• chnage ethnicity to rae by @Dert1129 in #42
• KPMP-5700: Setting the clinical props so we do not have value overlap by @rlreamy in #43
• KPMP-5700: Account for blanks by @rlreamy in #44
• Update changelog.md by @rlreamy in #45
• Release v1.6 (Q4 2024) by @rlreamy in #46

Full Changelog: v1.5...v1.6