feat(mssql): add tls-native-tls feature wiring to tiberius

Forward sqlx's tls-native-tls feature through sqlx-mssql (and
sqlx-macros-core for compile-time query checking) to tiberius's
native-tls feature, so sslmode=required actually negotiates TLS.

No rustls wiring for now: tiberius's native-tls and rustls features
are mutually exclusive (prisma/tiberius#317) and enabling both would
break --all-features builds.

Author: pabl-o-ce

Cargo.lock

@@ -102,7 +102,7 @@ runtime-smol = ["_rt-smol", "sqlx-core/_rt-smol", "sqlx-macros?/_rt-smol"]
 runtime-tokio = ["_rt-tokio", "sqlx-core/_rt-tokio", "sqlx-macros?/_rt-tokio"]
 
 # TLS features
-tls-native-tls = ["sqlx-core/_tls-native-tls", "sqlx-macros?/_tls-native-tls"]
+tls-native-tls = ["sqlx-core/_tls-native-tls", "sqlx-macros?/_tls-native-tls", "sqlx-mssql?/tls-native-tls"]
 tls-rustls = ["tls-rustls-ring"] # For backwards compatibility
 tls-rustls-aws-lc-rs = ["sqlx-core/_tls-rustls-aws-lc-rs", "sqlx-macros?/_tls-rustls-aws-lc-rs"]
 tls-rustls-ring = ["tls-rustls-ring-webpki"] # For backwards compatibility

Cargo.toml

@@ -17,7 +17,7 @@ _rt-async-std = ["async-std", "sqlx-core/_rt-async-std"]
 _rt-smol = ["smol", "sqlx-core/_rt-smol"]
 _rt-tokio = ["tokio", "sqlx-core/_rt-tokio"]
 
-_tls-native-tls = ["sqlx-core/_tls-native-tls"]
+_tls-native-tls = ["sqlx-core/_tls-native-tls", "sqlx-mssql?/tls-native-tls"]
 _tls-rustls-aws-lc-rs = ["sqlx-core/_tls-rustls-aws-lc-rs"]
 _tls-rustls-ring-webpki = ["sqlx-core/_tls-rustls-ring-webpki"]
 _tls-rustls-ring-native-roots = ["sqlx-core/_tls-rustls-ring-native-roots"]

sqlx-macros-core/Cargo.toml

@@ -19,6 +19,12 @@ migrate = ["sqlx-core/migrate"]
 winauth = ["tiberius/winauth"]
 integrated-auth-gssapi = ["tiberius/integrated-auth-gssapi"]
 
+# TLS features
+# NOTE: no rustls support for now: tiberius' `native-tls` and `rustls` features are
+# mutually exclusive (https://github.com/prisma/tiberius/issues/317), and enabling both
+# would break `--all-features` builds.
+tls-native-tls = ["tiberius/native-tls"]
+
 # Type Integration features
 bigdecimal = ["dep:bigdecimal", "sqlx-core/bigdecimal", "tiberius/bigdecimal"]
 chrono = ["dep:chrono", "sqlx-core/chrono", "tiberius/chrono"]