chore: Fixed double blank line in api.js

[oGranny]

Description:
removed an unnecessary blank line in the .github/scripts/helpers/api.js file.

Fixes #1254

Checklist

• Tested (unit, integration, etc.)

[github-actions]

Hey @oGranny 👋 thanks for the PR!
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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 complexity · 0 duplication

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[rwalworth]

LGTM - the change is exactly right. One blank line removed, nothing else touched. Running the workflows now.

Once we get an approval from @hiero-ledger/github-maintainers, we'll get this merged!