CI build job humble/testing failed!

[github-actions]

An automated scheduled build failed on humble: https://github.com/ros-controls/control_toolbox/actions/runs/27410956823

[christophfroehlich]

    [  FAILED  ] FilterTest.TestLowPassWrenchFilterInvalidThenFixedParameter
    
     1 FAILED TEST
    -- run_test.py: return code 1
    -- run_test.py: inject classname prefix into gtest result file '/home/runner/work/control_toolbox/control_toolbox/.work/target_ws/build/control_toolbox/test_results/control_toolbox/test_low_pass_filter.gtest.xml'
    -- run_test.py: verify result file '/home/runner/work/control_toolbox/control_toolbox/.work/target_ws/build/control_toolbox/test_results/control_toolbox/test_low_pass_filter.gtest.xml'
  >>>
build/control_toolbox/test_results/control_toolbox/test_low_pass_filter.gtest.xml: 6 tests, 0 errors, 1 failure, 0 skipped
- control_toolbox.FilterTest TestLowPassWrenchFilterInvalidThenFixedParameter
  <<< failure message
    unknown file
    C++ exception with description "parameter 'sampling_frequency' cannot be set because it was not declared" thrown in the test body.
  >>>