Incompatible with php8

Since upgrading my servers to PHP8, trying to open the health check details site will create the following error:

Uncaught TypeError: preg_match(): Argument #2 ($subject) must be of type string, array given in /home/.sites/768/site4/web/wp2016/wp-content/plugins/amp/src/Admin/SiteHealth.php:548
Stack trace:
#0 /home/.sites/768/site4/web/wp2016/wp-content/plugins/amp/src/Admin/SiteHealth.php(548): preg_match('/max-age=[1-9]/', Array)
#1 /home/.sites/768/site4/web/wp2016/wp-content/plugins/amp/src/Admin/SiteHealth.php(634): AmpProject\AmpWP\Admin\SiteHealth::AmpProject\AmpWP\Admin\{closure}(Array)
#2 /home/.sites/768/site4/web/wp2016/wp-content/plugins/amp/src/Admin/SiteHealth.php(491): AmpProject\AmpWP\Admin\SiteHealth->check_for_page_caching()
#3 /home/.sites/768/site4/web/wp2016/wp-content/plugins/amp/src/Admin/SiteHealth.php(249): AmpProject\AmpWP\Admin\SiteHealth->get_page_cache_detail(true)
#4 /home/.sites/768/site4/web/wp2016/wp-content/plugins/health-check/includes/class-health-check.php(321): AmpProject\AmpWP\Admin\SiteHealth->persistent_object_cache()
#5 /home/.sites/768/site4/web/wp2016/wp-includes/class-wp-hook.php(307): Health_Check->enqueues('tools_page_heal...')
#6 /home/.sites/768/site4/web/wp2016/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#7 /home/.sites/768/site4/web/wp2016/wp-includes/plugin.php(474): WP_Hook->do_action(Array)
#8 /home/.sites/768/site4/web/wp2016/wp-admin/admin-header.php(118): do_action('admin_enqueue_s...', 'tools_page_heal...')
#9 /home/.sites/768/site4/web/wp2016/wp-admin/admin.php(239): require_once('/home/.sites/76...')
#10 /home/.sites/768/site4/web/wp2016/wp-admin/tools.php(40): require_once('/home/.sites/76...')
#11 {main}
  thrown

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