src: use context-free V8 message column getters

[Renegade334]

The Message::Get*Column(context) getters return a Maybe<int>, but since v8/v8@9fe417c, the context is no longer necessary and these methods just return Just(Get*Column()). We may as well cut out the overhead.

Refs: https://issues.chromium.org/issues/42210793

[nodejs-github-bot]

Review requested:

• @nodejs/inspector

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/72725/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.69%. Comparing base (db9da5d) to head (73b3185).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #62778      +/-   ##
==========================================
- Coverage   91.54%   89.69%   -1.86%     
==========================================
  Files         356      706     +350     
  Lines      149604   218143   +68539     
  Branches    23392    41735   +18343     
==========================================
+ Hits       136961   195657   +58696     
- Misses      12380    14422    +2042     
- Partials      263     8064    +7801     

Files with missing lines	Coverage Δ
src/inspector_agent.cc	80.52% <100.00%> (ø)
src/node_errors.cc	63.86% <100.00%> (ø)

... and 469 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/72729/