ci: update Node.js versions in Travis CI configuration

[JungMinu]

Fixes #239

Summary by CodeRabbit

• Chores
  • Expanded automated testing to include additional Node.js versions (14, 16, 18, 20, and 22) and updated the nightly build test configuration to version 23.

[coderabbitai]

Walkthrough

The Travis CI configuration file was updated to expand the Node.js versions tested during continuous integration. Node.js versions 14, 16, 18, 20, and 22 were added to the test matrix alongside the existing 8, 10, and 12. Additionally, the matrix for nightly builds now includes Node.js version 23 instead of 13. No changes were made to exported or public entities in the codebase.

Changes

File(s)	Change Summary
.travis.yml	Expanded Node.js test matrix to include versions 14, 16, 18, 20, and 22; updated nightly build to use 23.x.

Assessment against linked issues

Objective (Issue #)	Addressed	Explanation
Add Node.js 14.x, 16.x, and 18.x to Travis builds (#239)	✅

Poem

In Travis fields where builds do grow,
New Node.js seeds the matrix row—
Fourteen, sixteen, eighteen, and more,
Twenty, twenty-two join the score!
Nightly hops to twenty-three,
The rabbit cheers with CI glee! 🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 5e19b2d and bdf09c9.

📒 Files selected for processing (1)

• .travis.yml (1 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• .travis.yml

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[riosje]

Let's include 20 and 22 as well.

[JungMinu]

yep just updated to include them