Use faster bincode for ipc (#2544)

Signed-off-by: Bob Weinand <[email protected]>

Author: bwoebi

Cargo.lock

@@ -86,16 +86,23 @@ public function testInstrumentation()
             [
                 "name" => "pdo",
                 "enabled" => true,
+                'version' => null,
+                'compatible' => null,
+                'auto_enabled' => null,
             ],
             [
                 "name" => "exec",
                 "enabled" => false,
-                "version" => ""
+                "version" => "",
+                'compatible' => null,
+                'auto_enabled' => null,
             ],
             [
                 "name" => "logs",
                 "enabled" => false,
-                "version" => ""
+                "version" => "",
+                'compatible' => null,
+                'auto_enabled' => null,
             ]
         ], $payloads[2]["payload"]["integrations"]);
     }

libdatadog

@@ -73,20 +73,30 @@ array(1) {
   ["integrations"]=>
   array(2) {
     [0]=>
-    array(2) {
+    array(5) {
       ["name"]=>
       string(37) "ddtrace\test\testsandboxedintegration"
       ["enabled"]=>
       bool(true)
+      ["version"]=>
+      NULL
+      ["compatible"]=>
+      NULL
+      ["auto_enabled"]=>
+      NULL
     }
     [1]=>
-    array(3) {
+    array(5) {
       ["name"]=>
       string(4) "logs"
       ["enabled"]=>
       bool(false)
       ["version"]=>
       string(0) ""
+      ["compatible"]=>
+      NULL
+      ["auto_enabled"]=>
+      NULL
     }
   }
 }