Locate the experiment pp.yamls relative to the main yaml dir

[ceblanton]

Describe your changes

fre pp configure-yaml was unable to locate the child experiment pp.yaml. An update to prepend the directory containing the main yaml resolves the problem.

Issue ticket number and link (if applicable)

99

Checklist before requesting a review

• [x] I ran my code
• [x] I tried to make my code readable
• [x] I tried to comment my code
• [ ] I wrote a new test, if applicable
• [ ] I wrote new instructions/documentation, if applicable
• [ ] I ran pytest and inspected it's output
• [ ] I ran pylint and attempted to implement some of it's feedback

[ceblanton]

Tiny fix for locating the experiment yamls relative to the main yaml.

[ilaflott]

this pipeline's success depends on https://github.com/NOAA-GFDL/fre-cli/pull/140

[ilaflott]

this pipeline's success depends on #140

actually, that's not quite true (yet). but intakebuilder will be deleted someday. the pipeline seemed to fail because the connection to the conda-forge channel seemed to die randomly. rerunning

[ceblanton]

Agreed. the pipeline fail was a weird one-off error related to conda-forge.