Add `@_preInverseGenerics` to `Attachment: CustomStringConvertible`. … #13

Job	Run time
Test / Embedded Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Windows (nightly-6.2 - windows-2022)	19m 12s
Test / macOS (Xcode 26.0 - sequoia - ARM64)	2m 55s
Test / Static Linux Swift SDK Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Swift SDK for Wasm Build (nightly-6.2 - jammy)	3m 10s
Test / Swift SDK for Wasm Build (nightly-main - amazonlinux2)	3m 56s
Test / Swift SDK for Wasm Build (nightly-main - jammy)	3m 18s
Test / Swift SDK for Wasm Build (6.2 - amazonlinux2)	3m 22s
Test / Swift SDK for Wasm Build (6.2 - jammy)	2m 37s
Test / Linux (nightly-6.2 - jammy)	4m 58s
Test / Swift SDK for Wasm Build (nightly-6.2 - amazonlinux2)	4m 3s
Test / Linux (nightly-6.2 - amazonlinux2)	7m 9s
Test / Swift SDK for Android Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / iOS (Build Only, Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})	0s
	54m 40s

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