Bump keras from 3.13.1 to 3.13.2 #1232

Job	Run time
windows (windows-latest, x64)	6m 38s
sdist	13s
windows (windows-latest, x86)	4m 49s
musllinux (ubuntu-latest, aarch64)	6m 20s
macos (macos-15-intel)	9m 31s
musllinux (ubuntu-latest, armv7)	5m 58s
macos (macos-14, aarch64)	4m 7s
musllinux (ubuntu-latest, x86)	5m 57s
linux (ubuntu-latest, aarch64)	6m 21s
linux (ubuntu-latest, x86)	7m 53s
linux (ubuntu-latest, ppc64le)	6m 42s
linux (ubuntu-latest, x86_64)	4m 38s
linux (ubuntu-latest, armv7)	6m 9s
musllinux (ubuntu-latest, x86_64)	5m 52s
linux (ubuntu-latest, s390x)	6m 21s
Release	-1s
	1h 27m 28s

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