Uses util.log(), which was removed in nodejs-23

[dannf]

2025/07/17 17:37:29 INFO graphite_delete_counters_tests
2025/07/17 17:37:29 INFO stderr: /usr/src/app/lib/config.js:13
2025/07/17 17:37:29 INFO     util.log('[' + process.pid + '] reading config file: ' + file);
2025/07/17 17:37:29 INFO          ^
2025/07/17 17:37:29 INFO 
2025/07/17 17:37:29 INFO TypeError: util.log is not a function
2025/07/17 17:37:29 INFO     at Configurator.updateConfig (/usr/src/app/lib/config.js:13:10)
2025/07/17 17:37:29 INFO     at new Configurator (/usr/src/app/lib/config.js:24:8)
2025/07/17 17:37:29 INFO     at exports.configFile (/usr/src/app/lib/config.js:38:16)
2025/07/17 17:37:29 INFO     at Object.<anonymous> (/usr/src/app/stats.js:186:8)
2025/07/17 17:37:29 INFO     at Module._compile (node:internal/modules/cjs/loader:1734:14)
2025/07/17 17:37:29 INFO     at Object..js (node:internal/modules/cjs/loader:1899:10)
2025/07/17 17:37:29 INFO     at Module.load (node:internal/modules/cjs/loader:1469:32)
2025/07/17 17:37:29 INFO     at Function._load (node:internal/modules/cjs/loader:1286:12)
2025/07/17 17:37:29 INFO     at TracingChannel.traceSync (node:diagnostics_channel:322:14)
2025/07/17 17:37:29 INFO     at wrapModuleLoad (node:internal/modules/cjs/loader:235:24)
2025/07/17 17:37:29 INFO