Patch for Node.js request that will pass sigalgs to a tunnel.

request+2.88.2.patch

diff --git a/node_modules/request/lib/tunnel.js b/node_modules/request/lib/tunnel.js
index 4479003..4e4638b 100644
--- a/node_modules/request/lib/tunnel.js
+++ b/node_modules/request/lib/tunnel.js
@@ -86,6 +86,10 @@ function constructTunnelOptions (request, proxyHeaders) {
     secureProtocol: request.secureProtocol
   }
 
+  if (request.agentOptions && request.agentOptions.sigalgs) {
+    tunnelOptions.sigalgs = request.agentOptions.sigalgs
+  }
+
   return tunnelOptions
 }