Compassion v2.0.0-alpha.12

• Upgrade interrupt to 11.0.0-alpha.25.
• Upgrade avenue to ^0.6.16.
• Upgrade fastify to 3.21.3.
• Upgrade kibitz to ^3.0.0-alpha.14.
• Upgrade reactor to ^17.0.0-alpha.13.
• Upgrade staccato to 13.0.0-alpha.12.
• Upgrade extant to ^2.0.0-alpha.4.
• Upgrade destructible to 7.0.0-alpha.70.
• Upgrade perhaps to 0.0.12.
• Upgrade axios to 0.21.4.
• Upgrade cubbyhole to ^4.0.8.
• Upgrade interrupt to 11.0.0-alpha.24.
• Upgrade fastify to 3.20.2.
• Upgrade verbatim to 0.1.8.
• Upgrade staccato to 13.0.0-alpha.11.
• Upgrade destructible to 7.0.0-alpha.68.
• Revert "Correctly set user properties on embark."

Closes #501.