Merge pull request #11 from ChessCom/FS/php-version

[php][ext] - Bump php version

Author: FabioBatSilva

protobuf_version.bzl

@@ -2,6 +2,6 @@
 PROTOC_VERSION = "31.0"
 PROTOBUF_JAVA_VERSION = "4.31.0"
 PROTOBUF_PYTHON_VERSION = "6.31.0"
-PROTOBUF_PHP_VERSION = "4.31.0.2"
+PROTOBUF_PHP_VERSION = "4.31.0.3"
 PROTOBUF_RUBY_VERSION = "4.31.0"
 PROTOBUF_RUST_VERSION = "4.31.0"