Admin & Customizer: Fix type casting for version string and aria-pressed attribute #33225

Job	Run time
Determine Matrix	5s
Single Site Default / Test current	2m 8s
Single Site Default / Test before	2m 8s
Multisite Default / Test current	2m 8s
Single Site Memcached / Test before	2m 8s
Multisite Default / Test before	2m 9s
Multisite Memcached / Test current	2m 8s
Single Site Memcached / Test current	2m 8s
Multisite Memcached / Test before	2m 10s
Slack Notifications	0s
matrix.label	0s
Failed workflow tasks	1s
	17m 13s

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