Use system installed certificates by default and accept neo4j+ssc connections #274

Job	Run time
Check formatting	12s
Compile on MSRV	17s
Check clippy	26s
Run integration tests (5.21)	1m 56s
Compile on MSRV (--all-features)	35s
Validate MSRV and minimal dependency versions (Cargo.lock.msrv, MSRV)	44s
Check clippy (--all-features)	32s
Run integration tests (5.21, --all-features)	2m 8s
Validate MSRV and minimal dependency versions (Cargo.lock.min, minimal dependency versions)	36s
Run integration tests (5.20)	1m 54s
Run integration tests (5.20, --all-features)	2m 6s
Run unit tests (windows-latest, stable)	2m 38s
Run integration tests (5.19)	1m 54s
Run unit tests (windows-latest, stable, --all-features)	1m 52s
Run integration tests (5.19, --all-features)	2m 19s
Run unit tests (macOS-latest, stable)	42s
Run integration tests (4.4)	1m 53s
Run unit tests (macOS-latest, stable, --all-features)	54s
Run integration tests (4.4, --all-features)	2m 7s
Run unit tests (ubuntu-latest, stable)	34s
Run unit tests (ubuntu-latest, stable, --all-features)	43s
Release	0s
	27m 2s

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