v0.13.2-rc6

Changelog

• c3e7a94 Ensure supervisor prep materializes init artifacts
• 6cc6633 Fix beadmail listing and exec conformance fields
• 2d6a6e5 Fix rig mail and bead routing fields
• 55944d8 fix: add jq to hard dependency checks
• 5057e34 fix: convoy test uses inline sling instead of bd create --parent