add support for other oid in the extended key usage #791

Job	Run time
build-windows	13m 9s
Validate external types appearing in public API	1m 21s
Build rustls-cert-gen as a standalone package	33s
build (macOS-latest, stable)	10m 35s
build (ubuntu-latest, stable)	5m 33s
Measure coverage	5m 28s
build (ubuntu-latest, beta)	5m 33s
Clippy (--all-features)	4m 45s
Documentation (stable)	39s
build (ubuntu-latest, nightly)	5m 32s
Clippy (--no-default-features --features ring)	4m 40s
Documentation (beta)	41s
build (ubuntu-latest, stable 7 months ago)	5m 46s
Clippy (--no-default-features --features aws_lc_rs)	4m 50s
Format	5s
Documentation (nightly)	44s
Clippy (--no-default-features --features aws_lc_rs,pem)	5m 15s
Documentation (stable 7 months ago)	46s
Check semver compatibility	29s
	1h 16m 24s

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