bump the jobbergate agent snap base from core24 to core22

[matheushent]

What

This PR modifies the base of the Jobbergate Agent snap from core24 to core24.

Why

This is necessary to fix the compiling error related to Pydantic 2.x.x

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Peer Review

Please follow the upstream omnivector documentation concerning
peer-review guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.57%. Comparing base (764bf5a) to head (1e0ae54).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #659   +/-   ##
=======================================
  Coverage   92.57%   92.57%           
=======================================
  Files          85       85           
  Lines        4483     4483           
=======================================
  Hits         4150     4150           
  Misses        333      333           

Flag	Coverage Δ
agent	92.80% <ø> (ø)
api	95.32% <ø> (ø)
cli	88.60% <ø> (ø)
core	96.31% <ø> (ø)

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