repl: add basic syntax highlighting

[avivkeller]

Adds basic syntax highlighting similar to our util.inspect. Highlighting is done using util.inspect.styles, so the coloring is in-tune with inspect, see below:

Notable Change: The REPL now performs syntax highlighting when useColors: true

[avivkeller]

cc @nodejs/repl

[github-actions]

The notable-change PRs with changes that should be highlighted in changelogs. label has been added by @avivkeller.

Please suggest a text for the release notes if you'd like to include a more detailed summary, then proceed to update the PR description with the text or a link to the notable change suggested text comment. Otherwise, the commit will be placed in the Other Notable Changes section.

[codecov]

Codecov Report

❌ Patch coverage is 98.13084% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.15%. Comparing base (4f844f4) to head (3acc790).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/internal/repl/highlight.js	97.75%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #64591      +/-   ##
==========================================
+ Coverage   90.13%   90.15%   +0.01%     
==========================================
  Files         741      742       +1     
  Lines      241976   242167     +191     
  Branches    45543    45596      +53     
==========================================
+ Hits       218116   218334     +218     
+ Misses      15379    15345      -34     
- Partials     8481     8488       +7     

Files with missing lines	Coverage Δ
lib/internal/readline/interface.js	93.25% <100.00%> (+0.04%)	⬆️
lib/internal/util/inspect.js	96.93% <100.00%> (+<0.01%)	⬆️
lib/repl.js	92.93% <100.00%> (+0.01%)	⬆️
lib/internal/repl/highlight.js	97.75% <97.75%> (ø)

... and 36 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/74984/

[avivkeller]

Bump @nodejs/repl, one more approval :-)

[avivkeller]

Landed in 4a5eb1c

[aduh95]

This doesn't land cleanly on v26.x-staging, we'd need a manual backport PR if we want it there