docs: update repository links

[DaniPopes]

This updates repository references from the old recmo/uint location to the moved alloy-rs/ruint repository so badges, metadata, changelog links, and issue tracker URLs point at the current home.

[codspeed-hq]

Merging this PR will degrade performance by 10.41%

❌ 2 regressed benchmarks
✅ 384 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	base_convert/128/128/10/be	13.6 ms	15.2 ms	-10.41%
❌	most_significant_bits/4096/4096	26 µs	29 µs	-10.32%

---

_{Comparing DaniPopes:dani/rename-repo-references (979e2b6) with main (e17160d)}