Docs for Memgraph 2.22

What's Changed

• new: Add release notes for Lab 2.18.1 by @tonilastre in #1038
• Fix typo in backup by @katarinasupe in #1039
• Update links to Memgraph web by @katarinasupe in #1025
• new: Add release notes for Lab 2.18.2 by @tonilastre in #1040
• Update leiden info by @katarinasupe in #1041
• Update release notes by @katarinasupe in #1043
• Update migrating guide by @katarinasupe in #1044
• Add Memgraph as knowledge graph by @antejavor in #1019
• Update sitemap by @katarinasupe in #1048
• add new resource by @katarinasupe in #1050
• fix: Fix the incorrect inline reference for GSS by @tonilastre in #1056
• Add 'GRANT DATABASE' to rbac by @hal-eisen-MG in #988
• Add community CTAs by @katarinasupe in #1061
• Memgraph 2.22 documentation changes by @katarinasupe in #1037
• Update memgraph versions by @katarinasupe in #1065

Full Changelog: v2.21.0...v2.22.0