store.php

<?php
public function store(Request $request)
    {
        $this->validate($request, [
            'name' => 'required',
            'email' => 'required',
            'message' => 'required',
            'g-recaptcha-response' => 'required|recaptchav3:contact,0.5'
        ]);

        $requestData = $request->all();

        $contact = Contact::create($requestData);

        Mail::to(env("ADMIN_EMAIL"))->send(new ContactMail($contact)); # The code we've added
        
        return redirect('contact')->with("status", "Your message has been sent");
    }