feat(client): Expose http2::builder::max_header_list_size in the cl…

…ient builder (#154)

src/client/legacy/client.rs

@@ -1387,6 +1387,16 @@ impl Builder {
         self
     }
 
+    /// Sets the max size of received header frames for HTTP2.
+    ///
+    /// Default is currently 16KB, but can change.
+    #[cfg(feature = "http2")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "http2")))]
+    pub fn http2_max_header_list_size(&mut self, max: u32) -> &mut Self {
+        self.h2_builder.max_header_list_size(max);
+        self
+    }
+
     /// Sets an interval for HTTP2 Ping frames should be sent to keep a
     /// connection alive.
     ///