feat(fdb-747): Changes to apply new cicd actions

[tbkr]

Description

Migrate to new cicd

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

📋 Metkit Documentation 📋
https://sites.ecmwf.int/docs/metkit/pull-requests/PR-293

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 50.50%. Comparing base (7897dfe) to head (143f84f).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #293   +/-   ##
========================================
  Coverage    50.50%   50.50%           
========================================
  Files          481      481           
  Lines        22880    22880           
  Branches      1617     1617           
========================================
  Hits         11556    11556           
  Misses       11324    11324           

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