Update http2_protocol_options pattern (#1397)

Author: dimo414

net/grpc/gateway/examples/echo/envoy.yaml

@@ -48,7 +48,12 @@ static_resources:
     - name: echo_service
       connect_timeout: 0.25s
       type: logical_dns
-      http2_protocol_options: {}
+      # HTTP/2 support
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+          explicit_http_config:
+            http2_protocol_options: {}
       lb_policy: round_robin
       load_assignment:
         cluster_name: cluster_0

net/grpc/gateway/examples/echo/tutorial.md

@@ -83,7 +83,12 @@ static_resources:
     - name: echo_service
       connect_timeout: 0.25s
       type: logical_dns
-      http2_protocol_options: {}
+      # HTTP/2 support
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+          explicit_http_config:
+            http2_protocol_options: {}
       lb_policy: round_robin
       load_assignment:
         cluster_name: cluster_0

net/grpc/gateway/examples/helloworld/README.md

@@ -137,7 +137,12 @@ static_resources:
     - name: greeter_service
       connect_timeout: 0.25s
       type: logical_dns
-      http2_protocol_options: {}
+      # HTTP/2 support
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+          explicit_http_config:
+            http2_protocol_options: {}
       lb_policy: round_robin
       load_assignment:
         cluster_name: cluster_0

net/grpc/gateway/examples/helloworld/envoy.yaml

@@ -48,7 +48,12 @@ static_resources:
     - name: greeter_service
       connect_timeout: 0.25s
       type: logical_dns
-      http2_protocol_options: {}
+      # HTTP/2 support
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+          explicit_http_config:
+            http2_protocol_options: {}
       lb_policy: round_robin
       # win/mac hosts: Use address: host.docker.internal instead of address: localhost in the line below
       load_assignment:

test/interop/envoy.yaml

@@ -48,7 +48,12 @@ static_resources:
     - name: interop_service
       connect_timeout: 0.25s
       type: logical_dns
-      http2_protocol_options: {}
+      # HTTP/2 support
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+          explicit_http_config:
+            http2_protocol_options: {}
       lb_policy: round_robin
       load_assignment:
         cluster_name: cluster_0