feat: Initial support for `TailLoop` as circuit parent #1477

Job	Run time
Check for changes	5s
Check Python code 🐍	27s
Check Rust code 🦀	9s
Build benchmarks 🏋️	3m 57s
tests (Python)	1m 27s
tests (Rust 1.75)	2m 8s
tests (Rust stable, all features)	1m 45s
tests (Rust stable, no features)	1m 49s
tests (Rust beta)	2m 29s
tests (Rust nightly-2024-05-22)	1m 46s
Check Python coverage 🐍	1m 28s
Required checks 🦀+🐍	1s
Check Rust coverage 🦀	0s
	17m 31s

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