Update Netty 4.1.59 -> 4.1.60 (#1419)

Modifications:
- Add workaround to ProtocolCompatibilityTest for
grpc/grpc-java#7953.

gradle.properties

@@ -17,7 +17,7 @@
 group=io.servicetalk
 version=0.38.0-SNAPSHOT
 
-nettyVersion=4.1.59.Final
+nettyVersion=4.1.60.Final
 tcnativeVersion=2.0.36.Final
 jsr305Version=3.0.2
 

servicetalk-grpc-netty/src/test/java/io/servicetalk/grpc/netty/ProtocolCompatibilityTest.java

@@ -43,8 +43,11 @@
 import io.servicetalk.grpc.netty.CompatProto.Compat.ServiceFactory;
 import io.servicetalk.grpc.netty.CompatProto.RequestContainer.CompatRequest;
 import io.servicetalk.grpc.netty.CompatProto.ResponseContainer.CompatResponse;
+import io.servicetalk.http.api.HttpExecutionStrategy;
 import io.servicetalk.http.api.HttpServiceContext;
+import io.servicetalk.http.api.StreamingHttpClientFilter;
 import io.servicetalk.http.api.StreamingHttpRequest;
+import io.servicetalk.http.api.StreamingHttpRequester;
 import io.servicetalk.http.api.StreamingHttpResponse;
 import io.servicetalk.http.api.StreamingHttpResponseFactory;
 import io.servicetalk.http.api.StreamingHttpServiceFilter;
@@ -100,6 +103,9 @@
 import static io.servicetalk.encoding.api.ContentCodings.identity;
 import static io.servicetalk.grpc.api.GrpcExecutionStrategies.defaultStrategy;
 import static io.servicetalk.grpc.api.GrpcExecutionStrategies.noOffloadsStrategy;
+import static io.servicetalk.http.api.HttpHeaderNames.CONTENT_LENGTH;
+import static io.servicetalk.http.api.HttpHeaderNames.TRANSFER_ENCODING;
+import static io.servicetalk.http.api.HttpHeaderValues.CHUNKED;
 import static io.servicetalk.test.resources.DefaultTestCerts.loadServerKey;
 import static io.servicetalk.test.resources.DefaultTestCerts.loadServerPem;
 import static io.servicetalk.transport.api.SecurityConfigurator.SslProvider.OPENSSL;
@@ -832,6 +838,20 @@ private static CompatClient serviceTalkClient(final SocketAddress serverAddress,
             builder.secure().disableHostnameVerification().provider(OPENSSL)
                     .trustManager(DefaultTestCerts::loadServerCAPem).commit();
         }
+        // TODO(scott): remove after https://github.com/grpc/grpc-java/issues/7953 is resolved.
+        builder.appendHttpClientFilter(client -> new StreamingHttpClientFilter(client) {
+            @Override
+            protected Single<StreamingHttpResponse> request(final StreamingHttpRequester delegate,
+                                                            final HttpExecutionStrategy strategy,
+                                                            final StreamingHttpRequest request) {
+                return Single.defer(() -> {
+                    // Force chunked transfer encoding as a workaround for grpc-java bug.
+                    request.headers().remove(CONTENT_LENGTH);
+                    request.headers().set(TRANSFER_ENCODING, CHUNKED);
+                    return delegate.request(strategy, request).subscribeShareContext();
+                });
+            }
+        });
         List<ContentCodec> codings = serviceTalkCodingsFor(compression);
         return builder.build(new Compat.ClientFactory().supportedMessageCodings(codings));
     }