chore(ci): use node v18 for github actions (#28103)

Issue number: N/A

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## What is the current behavior?
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`action/setup-node@v3` shipped a "breaking" change that requires node
v18. This breaks our dev build release process.


https://github.com/ionic-team/ionic-framework/actions/runs/6044495970/job/16403194005

## What is the new behavior?
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this PR. -->

- Updates the publish action to use node v18

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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and migration path for existing applications below. -->


## Other information

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screenshots of how the component looks before and after the change. -->

Here is a successful run with these changes:
https://github.com/ionic-team/ionic-framework/actions/runs/6044521110