Explicitly set all HTTP methods for Azure Functions

It appears that failure to do so results in the generated
metadata not automatically including them (as opposed to what
the javadoc of @HttpTrigger says)

Fixes: #39242

extensions/azure-functions-http/runtime/src/main/java/io/quarkus/azure/functions/resteasy/runtime/Function.java

@@ -1,5 +1,7 @@
 package io.quarkus.azure.functions.resteasy.runtime;
 
+import static com.microsoft.azure.functions.HttpMethod.*;
+
 import java.util.Optional;
 
 import com.microsoft.azure.functions.ExecutionContext;
@@ -15,7 +17,9 @@ public class Function extends BaseFunction {
 
     @FunctionName(QUARKUS_HTTP)
     public HttpResponseMessage run(
-            @HttpTrigger(name = "req", dataType = "binary", route = "{*path}", authLevel = AuthorizationLevel.ANONYMOUS) HttpRequestMessage<Optional<String>> request,
+            @HttpTrigger(name = "req", dataType = "binary", route = "{*path}", authLevel = AuthorizationLevel.ANONYMOUS, methods = {
+                    GET, HEAD, POST, PUT, DELETE, CONNECT, OPTIONS, TRACE,
+                    PATCH }) HttpRequestMessage<Optional<String>> request,
             ExecutionContext context) {
 
         return dispatch(request);