Can you support the new capability format?

Thank you for using the plugin.

The current add_options_page argument uses the old capability.
Can you support the new capability format?

Problem line: insert-estimated-reading-time.php: L256

Before
8, __FILE__, 'iert_options_page');

After
"manage_options",__FILE__, 'iert_options_page');

Reference page
https://wpdocs.osdn.jp/%E3%83%A6%E3%83%BC%E3%82%B6%E3%83%BC%E3%81%AE%E7%A8%AE%E9%A1%9E%E3%81%A8%E6%A8%A9%E9%99%90#.E3.83.A6.E3.83.BC.E3.82.B6.E3.83.BC.E3.83.AC.E3.83.99.E3.83.AB.E3.81.8B.E3.82.89.E6.A8.A9.E9.99.90.E3.82.B0.E3.83.AB.E3.83.BC.E3.83.97.E3.81.B8.E3.81.AE.E5.A4.89.E6.8F.9B

Thank.