BUG: Fix frozenset display in pprint (#60867) #21927

Job	Run time
Pyodide build	22m 37s
Linux-32-bit	17m 57s
Linux-Musl	16m 37s
python-dev (macOS-13)	23m 23s
python-dev (macOS-14)	14m 16s
python-dev (ubuntu-22.04)	21m 12s
python-dev (windows-latest)	23m 33s
python-freethreading	24m 11s
macos-13 actions-310.yaml	29m 17s
macos-13 actions-311.yaml	37m 26s
macos-13 actions-312.yaml	32m 13s
macos-14 actions-310.yaml	19m 42s
macos-14 actions-311.yaml	21m 43s
macos-14 actions-312.yaml	20m 36s
windows-latest actions-311.yaml	37m 31s
windows-latest actions-312.yaml	49m 5s
windows-latest actions-310.yaml	38m 2s
Minimum Versions	22m 58s
Future infer strings (without pyarrow)	40m 44s
Locale: zh_CN	23m 54s
Locale: it_IT	23m 58s
Downstream Compat	6m 7s
Numpy Dev	17m 9s
Pyarrow Nightly	21m 2s
Future infer strings	49m 55s
Pypy	1m 25s
ubuntu-22.04 actions-310.yaml	48m 4s
ubuntu-22.04 actions-311.yaml	44m 29s
ubuntu-24.04-arm actions-311.yaml	25m 35s
ubuntu-22.04 actions-312.yaml	48m 6s
ubuntu-24.04-arm actions-312.yaml	29m 37s
ubuntu-24.04-arm actions-310.yaml	26m 19s
	14h 38m 43s

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