feat: Support for lazy database connections (#2268) #4403

Job	Run time
Rustfmt	17s
Examples (examples/actix_example)	2m 20s
Init	5s
Examples (examples/axum_example)	2m 23s
Clippy	1m 12s
Unit Test	3m 17s
Examples (examples/basic)	1m 16s
Examples (examples/graphql_example)	2m 47s
Examples (examples/jsonrpsee_example)	2m 49s
Examples (examples/loco_example)	3m 21s
Examples (examples/loco_starter)	3m 26s
Examples (examples/loco_seaography)	4m 12s
Examples (examples/poem_example)	2m 13s
Examples (examples/proxy_gluesql_example)	1m 22s
Examples (examples/react_admin)	3m 52s
Examples (examples/rocket_example)	2m 57s
Examples (examples/rocket_okapi_example)	3m 14s
Examples (examples/salvo_example)	2m 41s
Examples (examples/seaography_example)	2m 30s
Examples (examples/tonic_example)	2m 21s
Compile PostgreSQL (tokio, native-tls)	5m 5s
Compile MySQL (actix, native-tls)	5m 2s
Compile PostgreSQL (tokio, rustls)	5m 24s
Compile SQLite (async-std, native-tls)	4m 57s
Compile MySQL (actix, rustls)	4m 58s
CLI	0s
Compile SQLite (async-std, rustls)	5m 6s
Issues Matrix	0s
Issues	0s
MariaDB (lts, actix, native-tls)	2m 51s
MySQL (lts, actix, native-tls)	3m 17s
MySQL (5.7, actix, native-tls)	3m 23s
Postgres (14, tokio, native-tls)	6m 51s
Postgres (16, tokio, native-tls)	7m 1s
SQLite (async-std, native-tls)	5m 5s
SQLite (async-std, rustls)	4m 17s
	1h 51m 52s

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