feat: Add LDAP to Google Workspace sync component

[llulioscesar]

Summary

• Add startcodex/ldap-sync-google component for synchronizing LDAP users and groups to Google Workspace
• Support both Deployment (continuous sync) and CronJob (scheduled sync) modes
• Support external LDAP credentials via existingSecret for connecting to external LDAP servers
• Update production example values with Google sync configuration

Changes

• Chart.yaml: Bump version to 1.3.0, add changelog and image reference
• values.yaml: Add complete googleSync configuration section
• values.schema.json: Add JSON schema validation for googleSync
• templates/google-sync-deployment.yaml: New Deployment template for continuous sync mode
• templates/google-sync-cronjob.yaml: New CronJob template for scheduled sync mode
• examples/values-production.yaml: Add googleSync production configuration example

Features

• Sync users from LDAP to Google Workspace (create, update, suspend)
• Sync groups and group membership
• Sync organizational units
• Dry-run mode for safe testing
• Flexible LDAP connection: use internal OpenLDAP or external LDAP server
• External secrets support for LDAP credentials (existingSecret)
• Configurable LDAP attribute mappings