feat: Configurable `Reader` type #4758

Job	Run time
Default features build	27s
Enforce Rust code format	15s
License / vulnerability audit (advisories)	25s
Clippy	32s
Preflight docs.rs build	2m 15s
License / vulnerability audit (bans licenses sources)	29s
Doc tests (requires nightly Rust) (windows-latest)	1m 47s
Doc tests (requires nightly Rust) (macos-latest)	38s
Unit tests with minimum versions of direct dependencies (windows-latest)	1m 32s
Doc tests (requires nightly Rust) (ubuntu-latest)	31s
Unit tests with minimum versions of direct dependencies (macos-latest)	56s
Unit tests (c2patool) (windows-latest, stable)	2m 13s
Unit tests with minimum versions of direct dependencies (ubuntu-latest)	31s
Unit tests (c2patool) (macos-latest, stable)	35s
Unit tests (c2patool) (ubuntu-latest, stable)	33s
Unit tests (windows-latest, stable)	3m 10s
Unit tests (aarch64-unknown-linux-gnu, stable)	1m 36s
Unit tests (WASI)	37s
Unit tests (windows-latest, 1.82.0)	1m 42s
Unit tests (aarch64-unknown-linux-gnu, 1.82.0)	1m 31s
Unit tests (macos-latest, stable)	55s
Unit tests (WASM)	1m 59s
Unit tests (macos-latest, 1.82.0)	53s
Check for unused dependencies	2m 27s
Unit tests (ubuntu-latest, stable)	40s
Unit tests (ubuntu-latest, 1.82.0)	36s
	29m 45s

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