Ensure ecCodes is built with eckit-geo support in ci

[iainrussell]

Description

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.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.42%. Comparing base (6ea6063) to head (6e81f63).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1062      +/-   ##
===========================================
+ Coverage    82.29%   82.42%   +0.12%     
===========================================
  Files          237      237              
  Lines        16806    16806              
  Branches       818      818              
===========================================
+ Hits         13831    13852      +21     
+ Misses        2732     2711      -21     
  Partials       243      243              

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