simpleNameFromPath(modulePath) {
    for (const [key, items] of this.#tracked.entries()) {
      const instrumentation = items.find((i) => i.instrumentation.absolutePath === modulePath)
      if (instrumentation) {
        return key
      }
    }
  }
Given a full absolute path to a module, look up the instrumentation
associated with it and return the name for that instrumentation.

@param {string} modulePath The path to the module being instrumented.

@returns {string|undefined} The name of the module.