Change develop branch version to 5.3.0-SNAPSHOT (branched from develop)#5489

Copilot wants to merge 3 commits intodevelopeclipse-rdf4j/rdf4j:developfrom

copilot/fix-f6b7310c-0309-49e3-bc18-1a4f52b71b3eeclipse-rdf4j/rdf4j:copilot/fix-f6b7310c-0309-49e3-bc18-1a4f52b71b3eCopy head branch name to clipboard