SiteKit 2.97.1 (23.04.2024)

#Fixes

• deps: Bump sitekit-js version (c092e23), closes #30367

#Other

• Release 2.97.1 (2d96168)
• remove duplicate dependency to sitekit-js (99d146a)
• add maven enforcer plugin to be able to verify release (231f17b)
• remove subrepository sitekit2-php (ad13de2)
• add gitlab pipeline configuration (6ab79db)
• bump version to support version (104ad0e)