fix!: refactor PID schemas - EBSIINT-10955

Using the same property names as in https://eur-lex.europa.eu/eli/reg_impl/2024/2977/oj

Also inspired by https://w3c-ccg.github.io/vdl-vocab/

.changeset/EBSIINT-10955.md

+---
+"@cef-ebsi/vcdm1.1-vid-natural-person-schema": major
+"@cef-ebsi/vcdm2.0-vid-natural-person-schema": major
+---
+
+Refactor schema properties, align identifiers with https://eur-lex.europa.eu/eli/reg_impl/2024/2977/oj.