build(deps): bump the gotify group across 2 directories with 1 update

[dependabot]

Bumps the gotify group with 1 update in the /.ci directory: gotify/server.
Bumps the gotify group with 1 update in the /.devcontainer directory: gotify/server.

Updates gotify/server from 2.8.0 to 2.9.1

Updates gotify/server from 2.8.0 to 2.9.1

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.92%. Comparing base (83ff6fa) to head (e046e80).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #547   +/-   ##
=========================================
  Coverage     91.92%   91.92%           
  Complexity       79       79           
=========================================
  Files            15       15           
  Lines           285      285           
=========================================
  Hits            262      262           
  Misses           23       23           

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