Change to rustls native certificate store #334

Job	Run time
formatting	7s
clippy (macos-latest)	43s
clippy (windows-latest)	2m 7s
check (macos-latest)	32s
test (macos-latest)	52s
clippy (ubuntu-latest)	28s
check (windows-latest)	2m 1s
test (windows-latest)	4m 9s
check (ubuntu-latest)	27s
test (ubuntu-latest)	43s
build-linux-arm	3m 43s
build-macos-arm	2m 23s
build (linux, ubuntu-latest, target/optimized/bob, Rustls)	3m 27s
build-macos-arm (-openssl, --no-default-features --features native-tls)	4m 17s
build (linux, ubuntu-latest, target/optimized/bob, OpenSSL, -openssl, --no-default-features --fea...	1m 18s
build (macos, macos-latest, target/optimized/bob, Rustls)	56s
build (macos, macos-latest, target/optimized/bob, OpenSSL, -openssl, --no-default-features --feat...	3m 34s
build (windows, windows-latest, build, Rustls)	4m 54s
build (windows, windows-latest, build, OpenSSL, -openssl, --no-default-features --features native...	6m 9s
	42m 50s

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