Bump rustls from 0.23.19 to 0.23.20 #2123

Job	Run time
Audit dependencies	22s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 13s
Build and test (beta, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 32s
Build and test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 13s
Clippy (x86_64-unknown-linux-gnu, false, true)	58s
Format	6s
Clippy (armv7-unknown-linux-gnueabihf, true, false, -target arm-linux-gnueabihf -mcpu=generic+v7a...	32s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-musl)	1m 19s
Clippy (x86_64-unknown-linux-musl, true, false, -target x86_64-linux-musl)	35s
Build and test (stable, macos-latest, x86_64-apple-darwin)	1m 38s
Smoke-test fuzzing targets	3m 50s
Clippy (x86_64-apple-darwin, true, false, -target x86_64-macos-gnu -g)	55s
Build and test (stable, ubuntu-latest, --all-features, x86_64-unknown-linux-gnu)	1m 31s
Smoke-test fuzzing targets (--all-features)	3m 45s
Build and test (msrv, ubuntu-latest, --all-features, x86_64-unknown-linux-gnu)	1m 24s
Validate man pages	6s
Build and test (stable, ubuntu-latest, --all-features, x86_64-unknown-linux-musl)	1m 30s
Check unused dependencies	54s
Build and test (stable, macos-latest, --all-features, x86_64-apple-darwin)	1m 50s
Validate configs	29s
	25m 42s

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