Fix version

Missing in 0.3.0 tag

Author: remicollet

src/php_tarantool.h

@@ -32,7 +32,7 @@
 extern zend_module_entry tarantool_module_entry;
 #define phpext_tarantool_ptr &tarantool_module_entry
 
-#define PHP_TARANTOOL_VERSION "0.2.0"
+#define PHP_TARANTOOL_VERSION "0.3.0"
 #define PHP_TARANTOOL_EXTNAME "tarantool"
 
 #ifdef PHP_WIN32