V 0.4.2 - Update, bugfix and maintenance

[UPD] Declare compatibility to php 8.2 and 8.3
[FIX] Avoid errors caused by empty extension configuration array, fixes 10
[FIX] ext_emconf: Correct version number, fixes 8
[FEAT] frontend: Output gender value with translation and itemprop for schema.org microdata
[FEAT] backend: Add option for x-gender to gender field of address record
[FEAT] frontend: Add translation for link to single view
[FIX] frontend: Explicit convert type of uriBuilder parameter to avoid error
[FIX] frontend: Init variables used in controller with default values