bump wamp-cicd; update changelog and release notes for 25.12.1 #305

Job	Run time
identifiers / Build GitHub identifiers	17s
identifiers / Log resolved identifiers	2s
Build wheels on ubuntu-24.04 (x86_64)	1m 59s
Build wheels on macos-15 (arm64)	2m 16s
Build wheels on windows-2022 (x86_64)	4m 22s
	8m 56s

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