[katjaweigel]

Allow tasmin and tasmax from tas with branding suffix tminavg-h2m-hxy-u and tmaxavg-h2m-hxy-u

Description

Change to find the variables tasmin and tasmax in case of the Penman or Hargeaves approximation, which became tas with branding suffix tminavg-h2m-hxy-u and tmaxavg-h2m-hxy-u for CMIP7.

Recipe to test for CMI7 data: recipe_martin18grl_spei_test_cmip7_yml.txt

• Closes diag_scripts/droughts/pet.R cannot deal with CMIP7 data #4664
• Link to documentation:

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New or updated recipe/diagnostic

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