Merge pull request #3875 from sysown/v2.x-gcc_12_1_compilation_fixes

Fix compilation for 'GCC 12.1.0'

include/proxysql_admin.h

@@ -10,6 +10,7 @@
 #include "cpp.h"
 #include <tuple>
 #include <vector>
+#include <array>
 
 #include "ProxySQL_RESTAPI_Server.hpp"
 

test/tap/tap/utils.h

@@ -74,12 +74,6 @@ using mysql_res_row = std::vector<std::string>;
  */
 std::vector<mysql_res_row> extract_mysql_rows(MYSQL_RES* my_res);
 
-/**
- * @brief Dummy write function to avoid CURL to write received output to stdout.
- * @return Returns the size presented.
- */
-size_t my_dummy_write(char*, size_t size, size_t nmemb, void*);
-
 /**
  * @brief Waits until the provided endpoint is ready to be used or the
  *   timeout period expired. For this checks the return code of