APOC Extended 5.21.0 Release

What's Changed

• Fixes #4005: Add a procedure for RAG by @vga91 in #4077
• Fixes #4090: The apoc.vectordb.*.get/query procedures should search for nodes/relationships with mapping config by @vga91 in #4092
• Fixes #4121: Better error messaging with vectordb query/get procedures by @vga91 in #4132

Docs updates

• Fixes #4103: Separate docs GenAI and RAG by @vga91 in #4112
• Fixes #4091: Update RAG docs with vector db examples by @vga91 in #4116
• Fixes for asciidoc files of vector db integration by @vga91 in #4107

Fixes

• Incorporate yaml deps into main jar (#4098) by @vga91 in #4099
• Fixes #4102: make apache commons libraries that are now part of neo4j as provided or exclude them by @vga91 in #4128
• Fixes #4101: Add Vector Db performance tests by @vga91 in #4131

Full Changelog: 5.20.0...5.21.0