chore(deps): bump qs and @contentstack/core

[dependabot]

Bumps qs and @contentstack/core. These dependencies needed to be updated together.
Updates qs from 6.15.3 to 6.16.0

Changelog

Sourced from qs's changelog.

6.16.0

• [New] stringify: add a depth option to bound recursion depth (default Infinity)
• [Fix] stringify: serialize Date values when a filter is provided
• [Fix] parse: enforce arrayLimit on comma groups under []= when throwOnLimitExceeded is set
• [Fix] parse: flatten a collection appended to an overflowed array (#571)
• [Fix] utils: isBuffer: do not invoke a non-callable constructor.isBuffer
• [Fix] stringify: do not let allowEmptyArrays skip cycle detection (or drop own keys) on an empty array with own properties
• [Fix] stringify: encode dots in a top-level key with a primitive value when encodeDotInKeys is set (#562)
• [Docs] threat model: clarify stringify deep-nesting DoS is caller-bounded
• [Docs] clarify arrayLimit is a representation threshold, not an element-count cap
• [Tests] parse: remove a test that pinned []= comma groups escaping arrayLimit
• [Tests] stringify: pin current encodeDotInKeys separator-dot behavior
• [Dev Deps] update @ljharb/eslint-config, eslint
• [Dev Deps] update eslint, evalmd

Commits

• bb9379e v6.16.0
• 62fd254 [Fix] stringify: serialize Date values when a filter is provided
• 8859c37 [Fix] parse: enforce arrayLimit on comma groups under []= when `throwOn...
• 8079adc [Tests] parse: remove a test that pinned []= comma groups escaping `array...
• d56f48c [Fix] parse: flatten a collection appended to an overflowed array
• e83d321 [Fix] utils: isBuffer: do not invoke a non-callable constructor.isBuffer
• 7e87a07 [Dev Deps] update @ljharb/eslint-config, eslint
• 9a76af2 [Dev Deps] update eslint, evalmd
• 3a890d4 [Dev Deps] update eslint, evalmd
• b433a9b [Fix] stringify: do not let allowEmptyArrays skip cycle detection (or dro...
• Additional commits viewable in compare view

Updates @contentstack/core from 1.5.2 to 1.5.3

Release notes

Sourced from @​contentstack/core's releases.

v1.5.3

• Bump qs to 6.16.0 and axios to 1.20.0
• Update build and test tooling

Changelog

Sourced from @​contentstack/core's changelog.

Version: 1.5.3

Date: September-24-2026

• Fix: Bump qs to 6.16.0 and axios to ^1.20.0 to resolve Snyk-reported vulnerabilities
• Chore: Update build and test tooling (webpack, ts-loader, jest-environment-jsdom, commitizen)

Commits

• 5fd3f30 Merge pull request #265 from contentstack/development
• 6dca817 Merge pull request #264 from contentstack/feat/DX-27614
• 04c770b chore(release): publish to npm with trusted publishing
• e08bfa5 Merge pull request #260 from contentstack/development
• ef55dad Merge pull request #263 from contentstack/chore/changelog-1.5.3-scope
• 6abc4e1 chore: note tooling upgrades in 1.5.3 changelog entry
• 60b27f9 Merge pull request #262 from contentstack/chore/back-merge-main-20260922
• 4792a2e chore: back-merge main into development
• 7dd7942 Merge pull request #259 from contentstack/fix-snyk-qs-changelog
• 655e1cc chore: add changelog entry for 1.5.3
• Additional commits viewable in compare view

Maintainer changes

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[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

[github-actions]

🔒 Security Scan Results

ℹ️ Note: Only vulnerabilities with available fixes (upgrades or patches) are counted toward thresholds.

Check Type	Count (with fixes)	Without fixes	Threshold	Result
🔴 Critical Severity	0	0	10	✅ Passed
🟠 High Severity	0	0	25	✅ Passed
🟡 Medium Severity	0	0	0	✅ Passed
🔵 Low Severity	0	0	0	✅ Passed

⏱️ SLA Breach Summary

✅ No SLA breaches detected. All vulnerabilities are within acceptable time thresholds.

Severity	Breaches (with fixes)	Breaches (no fixes)	SLA Threshold (with/no fixes)	Status
🔴 Critical	0	0	15 / 30 days	✅ Passed
🟠 High	0	0	30 / 120 days	✅ Passed
🟡 Medium	0	0	90 / 365 days	✅ Passed
🔵 Low	0	0	180 / 365 days	✅ Passed

✅ BUILD PASSED - All security checks passed