How to configure GitHub Actions to trigger create and push events exclusively for branch creation and future updates?

I have this condition on my workflow:

on:
  push:
    branches:
      - '**'
  create:
    branches:
      - 'release/[0-9]+.[0-9]+'

When I create a branch named something like release/1.2 I want only one pipeline triggered with create event, and future pushes to this branch will trigger with push.
Basically push and create should be exclusive like so:

I do not want to put conditions on jobs, I need the workflow to not even start.
Is this possible?

Thanks.

I ended up having only "push" event

on:
  push:
    branches:
      - '**'

And whenever I need to know if it is a branch creation within my pipeline I use github.event.created from the context.

For example here is a custom title for each scenario:

run-name: >
  ${{ 
  startsWith(github.ref_name, 'release/') && github.event.created && 'Create Release' ||
  startsWith(github.ref_name, 'release/') && 'Hotfix' ||
  'Push' 
  }}

First one is for release, second for Hotfix and third for push to any other branch.