CLN: replace deprecated freqs `H`/`M` with `h`/`ME` in tests for plotting#57877

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MarcoGorelli merged 2 commits intopandas-dev:mainfrom

natmokval:cln-correct-deprecated-freq-H-M-tests-plotting

Mar 21, 2024

Commits on Mar 17, 2024

cln: correct deprecated freqs H, M in tests for plotting
natmokval
committed

Commits on Mar 20, 2024

Merge branch 'main' into cln-correct-deprecated-freq-H-M-tests-plotting
natmokval
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