Make `ContextCompat` consistent and non-ambiguous with `WrapErr` #464

Job	Run time
Check (stable)	12s
Rustfmt (stable)	16s
Miri	1m 17s
Clippy (stable)	28s
Test Suite (stable)	1m 11s
Test Suite (ubuntu-latest)	1m 1s
Test Suite (stable, --no-default-features)	1m 6s
Test Suite	2m 52s
Test Suite (windows-latest)	3m 4s
Test Suite (stable, --no-default-features --features track-caller)	57s
Test Suite (--no-default-features)	2m 46s
Test Suite (macOS-latest)	1m 3s
Test Suite (stable, --no-default-features --features auto-install)	1m 15s
Test Suite (--no-default-features --features track-caller)	2m 42s
Test Suite (stable, --features pyo3)	1m 5s
Test Suite (--no-default-features --features auto-install)	2m 42s
Test Suite (stable, --all-features)	1m 7s
Test Suite (beta)	1m 10s
Test Suite (beta, --no-default-features)	1m 1s
Test Suite (beta, --no-default-features --features track-caller)	58s
Test Suite (beta, --no-default-features --features auto-install)	1m 4s
Test Suite (beta, --features pyo3)	1m 7s
Test Suite (beta, --all-features)	1m 13s
Test Suite (nightly)	1m 9s
Test Suite (nightly, --no-default-features)	1m 8s
Test Suite (nightly, --no-default-features --features track-caller)	1m 3s
Test Suite (nightly, --no-default-features --features auto-install)	1m 9s
Test Suite (nightly, --features pyo3)	1m 6s
Test Suite (nightly, --all-features)	1m 11s
	38m 23s

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