[Chapel Merge] Update more tests for 'findfiles' deprecation

Branch: refs/heads/main
Revision: abd33e32a2831732723853454b71fcd1c5f2e915
Author: David Iten
Link: Update more tests for 'findfiles' deprecation by daviditen · Pull Request #21045 · chapel-lang/chapel · GitHub
Log Message:

Update more tests for 'findfiles' deprecation
These tests don't run in a standard linux64 paratest so I missed them in the first PR that deprecated 'findfiles'. Nightly testing caught them, so update them now.
Compare: Comparing 0d9c64f7db16d65d14ca101d10a37086df459d18...abd33e32a2831732723853454b71fcd1c5f2e915 · chapel-lang/chapel · GitHub
Diff: https://github.com/chapel-lang/chapel/pull/21045.diff
Modified Files:
modules/packages/HDF5.chpl,test/functions/iterators/thomasvandoren/ParallelOnly.chpl,test/library/packages/Curl/check-http.chpl,test/library/packages/Curl/download-http-upload-ftp.chpl,test/library/packages/Curl/upload-ftp.chpl,test/studies/dedup/dedup-externblock.chpl

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