initialise default TLS crypto provider with aws_lc_rs manually

we use ring for hashing state and ruma, and reqwest/rustls defaults
to aws_lc_rs, so we have to manually pick which one. there doesn't
seem to be a way to just use one for some reason, so lets just use
the new aws_lc_rs.

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/router/Cargo.toml

@@ -62,6 +62,7 @@ http.workspace = true
 hyper.workspace = true
 hyper-util.workspace = true
 ruma.workspace = true
+rustls.workspace = true
 sentry.optional = true
 sentry-tower.optional = true
 sentry-tower.workspace = true