chore: Disable hickory-dns feature from reqwest

As we now pass in our own resolver (and hickory instance) for every client,
having the hickory-dns feature enabled isn't necessary.

Cargo.lock

@@ -4873,7 +4873,6 @@ dependencies = [
  "h2",
  "h3",
  "h3-quinn",
- "hickory-resolver",
  "http",
  "http-body",
  "http-body-util",
@@ -4882,7 +4881,6 @@ dependencies = [
  "hyper-util",
  "js-sys",
  "log",
- "once_cell",
  "percent-encoding",
  "pin-project-lite",
  "quinn",

Cargo.toml

@@ -161,7 +161,6 @@ default-features = false
 features = [
     "rustls-no-provider",
     "socks",
-    "hickory-dns",
     "http2",
     "stream",
     "form",

src/service/client/mod.rs

@@ -250,7 +250,6 @@ pub(crate) fn base(
 	resolver: Arc<dyn Resolve>,
 ) -> Result<reqwest::ClientBuilder> {
 	let mut builder = reqwest::Client::builder()
-        .hickory_dns(true)
         .dns_resolver(resolver)
         .connect_timeout(Duration::from_secs(config.request_conn_timeout))
         .read_timeout(Duration::from_secs(config.request_timeout))