Bump to v1.1.56

[jdalton]

Summary

• Version bump to v1.1.56
• Changelog entry for heap overflow fix in large monorepo scans ([SMO-522] Fix heap overflow in large monorepo scans #1026)

Test plan

• Version updated in package.json
• Changelog updated with new entry
• Tag v1.1.56 already pushed

---

Note

Release 1.1.56

• Update CHANGELOG.md with a fix for heap overflow when scanning 100k+ file monorepos using streaming-based filtering
• Bump package.json version to 1.1.56

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