Add support for Next 14

This fixes #22.

lib/patches/next.js

@@ -17,6 +17,13 @@ const getPinoMethod = nextMethod => {
   }
 }
 
+const cachePath = require.resolve('next/dist/build/output/log')
+const cacheObject = require.cache[cachePath]
+
+// This is required to forcibly redefine all properties on the logger.
+// From Next 13 and onwards they're defined as non-configurable, preventing them from being patched.
+cacheObject.exports = { ...cacheObject.exports }
+
 Object.keys(nextLogger.prefixes).forEach(method => {
-  nextLogger[method] = getPinoMethod(method)
+  Object.defineProperty(cacheObject.exports, method, { value: getPinoMethod(method) })
 })