can my Apple MacBook Air MJVM2Lzl/A laptop be
Is this MacBook still supported?
iPhone 8 Plus, iOS 16
Those order numbers are hard to translate. The "MJVM2" suggests you have an Early 2015 11-inch Macbook Air.
It is far easier to do "About this Mac..." for your Apple menu and find the sub-model name:
And the answer depends on what you mean by "still supported."
This Apple article shows what devices Apple considers "vintage" or "obsolete" for their servicing:
Obtaining service for your Apple product after an expired warranty - Apple Support
and your model appears to be listed as vintage. Battery service may still be available but you have to ask Apple, and they won't see your question here.
If by "supported" you mean the operating system, yours can run op to macOS 12 "Monterey" which as of today is still supported and getting updates.