BUG: Raise clear error for duplicate id_vars in melt (GH61475) #23506

Job	Run time
Pyodide build	22m 57s
Linux-Musl	15m 50s
python-dev	-1s
Linux-32-bit	18m 21s
macos-13 actions-313.yaml	33m 35s
macos-13 actions-312.yaml	37m 25s
macos-13 actions-310.yaml	35m 8s
windows-latest actions-310.yaml	31m 54s
macos-14 actions-310.yaml	17m 6s
macos-13 actions-311.yaml	31m 20s
windows-latest actions-313.yaml	41m 50s
macos-14 actions-311.yaml	20m 29s
windows-latest actions-311.yaml	37m 41s
macos-14 actions-312.yaml	15m 59s
macos-14 actions-313.yaml	17m 16s
windows-latest actions-312.yaml	34m 27s
ubuntu-24.04 actions-313.yaml	47m 37s
Locale: zh_CN	23m 49s
Minimum Versions	22m 42s
ubuntu-24.04 actions-311.yaml	41m 25s
ubuntu-24.04-arm actions-312.yaml	35m 14s
Future infer strings	43m 13s
Locale: it_IT	23m 47s
Freethreading	20m 9s
Future infer strings (without pyarrow)	37m 16s
Pypy	1m 16s
ubuntu-24.04 actions-310.yaml	46m 40s
ubuntu-24.04-arm actions-310.yaml	35m 34s
ubuntu-24.04-arm actions-311.yaml	34m 11s
ubuntu-24.04 actions-312.yaml	45m 17s
ubuntu-24.04-arm actions-313.yaml	35m 20s
Downstream Compat	5m 21s
Numpy Dev	16m 10s
Pyarrow Nightly	19m 52s
	15h 46m 10s

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