Support google protobuf v4 (#1421)

Author: roxblnfk

proto/otel/composer.json

@@ -18,7 +18,7 @@
     ],
     "require": {
         "php": "^8.0",
-        "google/protobuf": "^3.3.0"
+        "google/protobuf": "^3.22 || ^4.0"
     },
     "autoload": {
         "psr-4": {