ENH: speed up wide DataFrame.line plots by using a single LineCollection #24218

Job	Run time
python-dev	-1s
Linux-Musl	15m 32s
Pyodide build	23m 35s
Linux-32-bit	18m 50s
macos-14 actions-310.yaml	16m 48s
macos-14 actions-313.yaml	21m 18s
windows-latest actions-310.yaml	34m 37s
windows-latest actions-312.yaml	37m 3s
macos-13 actions-311.yaml	28m 35s
macos-14 actions-311.yaml	16m 11s
windows-latest actions-311.yaml	35m 32s
macos-14 actions-312.yaml	21m 0s
macos-13 actions-310.yaml	26m 32s
windows-latest actions-313.yaml	42m 44s
macos-13 actions-312.yaml	26m 24s
macos-13 actions-313.yaml	34m 32s
ubuntu-24.04 actions-311.yaml	42m 7s
ubuntu-24.04 actions-312.yaml	43m 33s
Minimum Versions	23m 17s
Locale: zh_CN	23m 54s
ubuntu-24.04 actions-310.yaml	46m 29s
Locale: it_IT	24m 44s
Future infer strings	45m 39s
ubuntu-24.04 actions-313.yaml	47m 14s
ubuntu-24.04-arm actions-310.yaml	35m 41s
ubuntu-24.04-arm actions-313.yaml	36m 19s
Future infer strings (without pyarrow)	37m 34s
Pypy	1m 15s
Numpy Dev	17m 24s
ubuntu-24.04-arm actions-311.yaml	34m 21s
ubuntu-24.04-arm actions-312.yaml	36m 0s
Freethreading	20m 38s
Downstream Compat	5m 24s
Pyarrow Nightly	20m 20s
	15h 41m 5s

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