Update github actions to not use deprecated node 16

[Shadow-Devil]

Purpose

Update github actions to not use deprecated node 16.

Fixes #42617

Check List

• [x] Read the Contributing Guide
• [ ] Updated Change Log
• [ ] Checked Tooling Support (#)
• [ ] Added necessary tests
  • [ ] Unit Tests
  • [ ] Spec Conformance Tests
  • [ ] Integration Tests
  • [ ] Ballerina By Example Tests
• [ ] Increased Test Coverage
• [ ] Added necessary documentation
  • [ ] API documentation
  • [ ] Module documentation in Module.md files
  • [ ] Ballerina By Examples

[Shadow-Devil]

Could someone please review and merge this? Thank you in advance!

[ThisaruGuruge]

Could someone please review and merge this? Thank you in advance!

Thank you for your contribution, @Shadow-Devil, and we are sorry for the late response. I have approved the PR, let's wait until the checks pass, and the I will merge this. Hoping to see more contributions from you in the future.

[codecov[bot]]

Codecov Report

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

Project coverage is 77.13%. Comparing base (148286d) to head (dca7201). Report is 93 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #42618 +/- ## ============================================ + Coverage 76.80% 77.13% +0.33% + Complexity 53972 51182 -2790 ============================================ Files 2924 2924 Lines 203952 203973 +21 Branches 26597 26604 +7 ============================================ + Hits 156638 157338 +700 + Misses 38777 38122 -655 + Partials 8537 8513 -24 ```

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