textproc/jo: Update to 1.3

Changelog:

• FIX: Escaped @ ("\@") is treated as "@" (#42, #103)
• NEW: Support reading JSON array elements (#91)
• UPD: Add home and removable-media interfaces to snap (#94)
• FIX: fix unlikely crash after malloc fail when base64 encoding.
• NEW: Support reading nested data from pipes (#82)

PR: 243419
Approved by: swills (maintainer)