Rename cfg_match to match_cfg to avoid name conflicts with new macro in nightly std #25

Job	Run time
Check formatting	13s
Build and test (ubuntu-latest, 1.65.0)	10s
Check beta stable and MSRV=1.65.0 (1.65.0, --locked)	11s
Build and test (ubuntu-latest, stable)	11s
Check beta stable and MSRV=1.65.0 (1.65.0, --locked, --features nightly-dropck_eyepatch)	10s
Build and test (macos-latest, 1.65.0)	25s
Check beta stable and MSRV=1.65.0 (stable)	11s
Build and test (macos-latest, stable)	22s
Check beta stable and MSRV=1.65.0 (stable, --features nightly-dropck_eyepatch)	13s
Build and test (windows-latest, 1.65.0)	27s
Check beta stable and MSRV=1.65.0 (stable, --locked)	12s
Build and test (windows-latest, stable)	1m 0s
Check beta stable and MSRV=1.65.0 (stable, --locked, --features nightly-dropck_eyepatch)	11s
Check beta stable and MSRV=1.65.0 (beta)	10s
Check beta stable and MSRV=1.65.0 (beta, --features nightly-dropck_eyepatch)	9s
Check beta stable and MSRV=1.65.0 (beta, --locked)	11s
Check beta stable and MSRV=1.65.0 (beta, --locked, --features nightly-dropck_eyepatch)	12s
All the required jobs	1s
	4m 39s

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