v2.4.3

What's Changed

• make sure iiif drag and drop has aria-label by @dnoneill in #2625
• Update spotlight to 4.3.4 by @corylown in #2630
• Add fixtures to remove dependency on prod services by @taylor-steve in #2631
• Pin uri gem until carrierwave incompatibility is fixed by @corylown in #2633
• Update dependencies; unpin uri gem by @corylown in #2634
• Update dependencies by @sul-devops-team in #2635

Full Changelog: v2.4.2...v2.4.3