Create workflow to auto-publish to NPM

[luacmartins]

This PR implements a GitHub workflow that automatically publishes a new version of the library to NPM every time a PR is merged to main.

Tests

1. Merge this PR
2. Verify that it triggers the publish workflow
3. Verify that a new release is created and published to NPM

[luacmartins]

Updated!

[luacmartins]

Updated node version!

[roryabraham]

minor thing but it's too :eye_twitch: to be NAB

[luacmartins]

Updated

[roryabraham]

LGTM but we need to wait for the permissions update before merging

[justinpersaud]

Permissions were already updated

[roryabraham]

Nice, let's give this a go then

[luacmartins]

Hmm maybe we missed some permission @justinpersaud? I'm seeing:

Run git push origin main && git push --tags
remote: error: GH013: Repository rule violations found for refs/heads/main.        
remote: Review all repository rules at http://github.com/Expensify/react-native-qrcode-svg/rules?ref=refs%2Fheads%2Fmain        
remote: 
remote: - Changes must be made through a pull request.        
remote: 
To https://github.com/Expensify/react-native-qrcode-svg
 ! [remote rejected] main -> main (push declined due to repository rule violations)
error: failed to push some refs to 'https://github.com/Expensify/react-native-qrcode-svg'
Error: Process completed with exit code 1.

[roryabraham]

Might also check that the OS_BOTIFY_COMMIT_TOKEN is accessible in this repo