update ERKER_v1.7 to fix zygosity

[aslgraefe]

each variant should have a zygosity and not the primary diagnosis.

• [x] fix in data dictionary, send new v1.7 to Ana and upload to REDCap
• [x] update ERKER git with new version
• [x] write exact update log into GitHub
• [x] review mutations of original data once more for different zygosity per variants
• [x] update MC4R data to v1.7
• [x] update synth data
• [x] Rerun pipeline and update example phenopackets
• [x] Validate the phenopackets