feat: Add array `repeat` and `scan` ops #2525

Job	Run time
Check for changes in Python files	6s
Build HUGR binary	37s
Check serialization schema	13s
check python 3.10	24s
check python 3.13	28s
test python 3.10	19s
test python 3.13	27s
Required checks 🐍	1s
	2m 35s

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