v5.0.0

[aabmass]

This PR bumps the version to 5.0.0 for release. Draft release notes https://github.com/google/pprof-nodejs/releases/edit/untagged-4d01be4da1c1b6a8ed99

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 38.63%. Comparing base (dead429) to head (e4cc5d8).
⚠️ Report is 18 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #353 +/- ##
==========================================
- Coverage 41.92% 38.63% -3.29% 
==========================================
Files 14 14 Lines 2092 2340 +248 Branches 42 42 ==========================================
+ Hits 877 904 +27 - Misses 1197 1427 +230 + Partials 18 9 -9 

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.