WRR-6695: Update .travis.yml to avoid node 23 error temporarily

[hong6316]

Checklist

• [x] I have read and understand the contribution guide
• [ ] A CHANGELOG entry is included
• [ ] At least one test case is included for this feature or bug fix
• [x] Documentation was added or is not needed
• [ ] This is an API breaking change

Issue Resolved / Feature Added

Update .travis.yml to avoid node 23 error temporarily

Resolution

Update .travis.yml to avoid node 23 error temporarily

Additional Considerations

Links

WRR-6695

Comments

Enact-DCO-1.0-Signed-off-by: Taeyoung Hong (taeyoung.hong@lge.com)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 81.56%. Comparing base (a802889) to head (591c75b). Report is 1 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1725 +/- ## ======================================== Coverage 81.56% 81.56% ======================================== Files 148 148 Lines 6677 6677 Branches 1987 1987 ======================================== Hits 5446 5446 Misses 938 938 Partials 293 293 ```

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