VersionBot: Update `versionist` to at least 2.12.1 for Python/Rust updates.
VersionBot: Update `versionist` to at least 2.12.1 for Python/Rust updates.

Connects-to: #404
Change-type: patch

resin-io-modules/resin-procbots,resin-io-modules/resin-procbots,resin-io-modules/resin-procbots