Fix: Skip UnitaryGate instances during `BasisTranslator` #506

Job	Run time
Configure	3s
Integration Neko	7m 19s
Unit Rust / ubuntu-latest	8m 10s
Documentation / Docs	12m 12s
Lint / Lint	5m 31s
Image / Test-images-3.10	29s
Miri / Miri	8m 53s
QPY / Test	8m 48s
Unit Python / Windows / Python newest / windows-latest - Python 3.14	23m 4s
Unit Python / macOS / Python oldest / macos-15 - Python 3.10	23m 26s
Unit Python / Windows / Python oldest / windows-latest - Python 3.10	23m 8s
Unit Python / Linux / Python oldest - ubuntu-latest / ubuntu-latest - Python 3.10	19m 19s
Unit Python / macOS / Python newest / macos-15 - Python 3.14	10m 19s
Unit Python / Linux / Python newest - ubuntu-latest / ubuntu-latest - Python 3.14	10m 52s
Unit Python / Linux / Python newest - ubuntu-24.04-arm / ubuntu-24.04-arm - Python 3.14	8m 43s
Unit Python / Linux / Python oldest - ubuntu-24.04-arm / ubuntu-24.04-arm - Python 3.10	13m 47s
Unit C / ubuntu-24.04-arm / ubuntu-24.04-arm	3m 47s
Unit C / macos-15 / macos-15	2m 56s
Unit C / windows-latest / windows-latest	4m 57s
Unit C / ubuntu-latest / ubuntu-latest	2m 44s
Finalize	1s
	3h 18m 28s

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