Include new options introduced in pino 5.6.0.

Related changes in pinojs/pino - https://github.com/pinojs/pino/pull/515

types/pino/index.d.ts

@@ -150,6 +150,17 @@ declare namespace P {
          * Outputs the level as a string instead of integer. Default: `false`.
          */
         useLevelLabels?: boolean;
+        /**
+         * Use this option to define additional logging levels.
+         * The keys of the object correspond the namespace of the log level, and the values should be the numerical value of the level.
+         */
+        customLevels?: { [key: string]: number };
+        /**
+         * Use this option to only use defined `customLevels` and omit Pino's levels.
+         * Logger's default `level` must be changed to a value in `customLevels` in order to use `useOnlyCustomLevels`
+         * Warning: this option may not be supported by downstream transports.
+         */
+        useOnlyCustomLevels?: boolean;
         /**
          * When defining a custom log level via level, set to an integer value to define the new level. Default: `undefined`.
          */
@@ -277,6 +288,14 @@ declare namespace P {
          * Outputs the level as a string instead of integer.
          */
         useLevelLabels: boolean;
+        /**
+         * Define additional logging levels.
+         */
+        customLevels: { [key: string]: number };
+        /**
+         * Use only defined `customLevels` and omit Pino's levels.
+         */
+        useOnlyCustomLevels: boolean;
         /**
          * Returns the integer value for the logger instance's logging level.
          */