Unfortunately, Airtable has a limit of 25 automations which can’t be increased.
You might be able to creatively work around this limit by combining some automations together, or syncing your views to another base & performing some automations there, or writing your own custom JavaScript that uses conditional logic to perform a series of different actions as part of one single automation.
However, the easiest thing to do is probably to just use a professional automation platform like Integromat which doesn’t have any limits at all, and is significantly more powerful than Airtable’s automations as well.