createrelease: tweaks [skip ci] #19990

Job	Run time
build_cmake (alpine:3.23, false, false)	3m 39s
build_make (ubuntu:25.10)	3m 27s
build_cmake (ubuntu:24.04, true, true)	2m 49s
build_make (ubuntu:24.04)	2m 37s
build_make (alpine:3.23)	5m 42s
build_cmake (ubuntu:25.10, true, true)	2m 42s
	20m 56s

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