If you are the admin or manager of the account, you can easily manage the team and cancel pending invites.
To cancel an invitation, please visit the Team Management tab on your dashboard.
Step 1:
In the Team Management section, click on 'Invites' to view your currently pending invitations:
Step 2:
To cancel an invite, click on the 3 dots button next to the member's name, then click on 'Cancel invite':