Update Models for Job Offers + Extra Work

Description

• Removes Contract Start/End Date from Extra Work
• Adds Max Hours to Job Offers + Extra Work
  • Also enforces the max hours when declaring
• Adds a rejection message to Job Offers
• Update Dependencies:
  • Hibernate: 5.6.10.Final => 5.6.12.Final
  • Liquibase: 4.15.0 => 4.17.0
  • Jackson: 2.13.3 => 2.13.4
  • FuncJ: 0.6.16 => 0.6.18
  • jQuery: 3.6.0 => 3.6.1
  • FontAwesome: 6.1.2 => 6.2.0
  • OpenCSV: 5.6 => 5.7.0

Related Issues

• Resolves #108 (closed)
• Resolves #110 (closed)
• Resolves #113 (closed)

Checklist

• I have added a changelog entry to reflect the significant changes I made.