Add grpc and http2 listeners to gateway docs

Stating at Nomad version 1.2.0 `grpc` and `http2` [protocols are supported](hashicorp#11187):
Dgotlieb · Mar 24, 2022 · 5bfce06 · 5bfce06
1 parent 8cc8121
commit 5bfce06
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/website/content/docs/job-specification/gateway.mdx b/website/content/docs/job-specification/gateway.mdx
@@ -101,8 +101,9 @@ envoy_gateway_bind_addresses "<service>" {
 #### `listener` Parameters
 
 - `port` `(int: required)` - The port that the listener should receive traffic on.
-- `protocol` `(string: "tcp")` - The protocol associated with the listener. Either
-  `tcp` or `http`.
+- `protocol` `(string: "tcp")` - 'The protocol associated with the listener. 
+  One of `tcp`, `http`, `http2`, or `grpc`.',
+
 
   ~> **Note:** If using `http`, preconfiguring a [service-default] in Consul to
   set the [Protocol](https://www.consul.io/docs/agent/config-entries/service-defaults#protocol)