[backport 2.3.x] BUG (string dtype): fix qualifier in memory usage info (#60221) #20093

Job	Run time
Linux-32-bit	20m 20s
Linux-Musl	18m 2s
python-dev (macOS-13)	25m 55s
python-dev (macOS-14)	14m 51s
python-dev (ubuntu-22.04)	24m 33s
python-dev (windows-latest)	26m 52s
macos-13 actions-310.yaml	36m 57s
macos-13 actions-311.yaml	25m 58s
macos-13 actions-312.yaml	43m 15s
macos-13 actions-39.yaml	48m 17s
macos-14 actions-310.yaml	25m 23s
macos-14 actions-311.yaml	22m 23s
macos-14 actions-312.yaml	19m 37s
macos-14 actions-39.yaml	29m 57s
windows-latest actions-311.yaml	42m 21s
windows-latest actions-312.yaml	48m 58s
windows-latest actions-310.yaml	41m 13s
windows-latest actions-39.yaml	38m 51s
ubuntu-latest actions-310.yaml	52m 14s
Copy-on-Write 3.10 (warnings)	28m 20s
Copy-on-Write 3.10	28m 28s
ubuntu-latest actions-311.yaml	47m 34s
Future infer strings (without pyarrow)	49m 21s
Locale: zh_CN	27m 39s
Copy-on-Write 3.11	27m 56s
Copy-on-Write 3.11 (warnings)	27m 49s
Locale: it_IT	28m 4s
Downstream Compat	6m 5s
Numpy Dev	22m 11s
ubuntu-latest actions-312.yaml	36m 42s
Pyarrow Nightly	23m 57s
Future infer strings	41m 36s
Copy-on-Write 3.12	31m 59s
ubuntu-latest actions-39.yaml	49m 3s
Copy-on-Write 3.9 (warnings)	29m 50s
Minimum Versions	29m 20s
Copy-on-Write 3.9	29m 47s
Pypy	7m 46s
	19h 39m 24s

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