MINOR: [CI] Install libncurses-dev from unstable on Debian experimental #58987

Job	Run time
AMD64 Windows 2022 Python 3.13	12m 11s
AMD64 Conda Python 3.11 Without Pandas	9m 37s
AMD64 Conda Python 3.12 without NumPy	7m 50s
ARM64 macOS 14 Python 3	27m 34s
AMD64 macOS 15-intel Python 3	37m 27s
AMD64 Conda Python 3.11 Sphinx & Numpydoc	19m 29s
AMD64 Conda Python 3.13 Pandas latest	10m 2s
AMD64 Conda Python 3.10 Pandas 1.3.4	11m 32s
	2h 15m 42s

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