add scheduled workflow for weekly image build #3755

Job	Run time
build-docs (3.10)	2m 26s
code-quality (3.10)	3m 18s
test / rust	14s
test / python (3.10, unit)	2m 28s
containerbuild / containerbuild (3.10)	3m 59s
test / python (3.10, acceptance)	2m 9s
containerbuild / containerbuild (3.11)	3m 23s
test / python (3.11, unit)	2m 21s
containerbuild / containerbuild (3.12)	3m 24s
test / python (3.11, acceptance)	1m 51s
test / python (3.12, unit)	2m 30s
test / python (3.12, acceptance)	2m 3s
	30m 6s

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