Bump qs and express in /code-samples/serving/hello-world/helloworld-nodejs

[dependabot]

Bumps qs to 6.15.2 and updates ancestor dependency express. These dependencies need to be updated together.

Updates qs from 6.13.0 to 6.15.2

Changelog

Sourced from qs's changelog.

6.15.2

• [Fix] stringify: skip null/undefined entries in arrayFormat: 'comma' + encodeValuesOnly instead of crashing in encoder
• [Fix] stringify: use configured delimiter after charsetSentinel (#555)
• [Fix] stringify: apply formatter to encoded key under strictNullHandling (#554)
• [Fix] stringify: skip null/undefined filter-array entries instead of crashing in encoder (#551)
• [Fix] parse: handle nested bracket groups and add regression tests (#530)
• [readme] fix grammar (#550)
• [Dev Deps] update @ljharb/eslint-config
• [Tests] add regression tests for keys containing percent-encoded bracket text

6.15.1

• [Fix] parse: parameterLimit: Infinity with throwOnLimitExceeded: true silently drops all parameters
• [Deps] update @ljharb/eslint-config
• [Dev Deps] update @ljharb/eslint-config, iconv-lite
• [Tests] increase coverage

6.15.0

• [New] parse: add strictMerge option to wrap object/primitive conflicts in an array (#425, #122)
• [Fix] duplicates option should not apply to bracket notation keys (#514)

6.14.2

• [Fix] parse: mark overflow objects for indexed notation exceeding arrayLimit (#546)
• [Fix] arrayLimit means max count, not max index, in combine/merge/parseArrayValue
• [Fix] parse: throw on arrayLimit exceeded with indexed notation when throwOnLimitExceeded is true (#529)
• [Fix] parse: enforce arrayLimit on comma-parsed values
• [Fix] parse: fix error message to reflect arrayLimit as max index; remove extraneous comments (#545)
• [Robustness] avoid .push, use void
• [readme] document that addQueryPrefix does not add ? to empty output (#418)
• [readme] clarify parseArrays and arrayLimit documentation (#543)
• [readme] replace runkit CI badge with shields.io check-runs badge
• [meta] fix changelog typo (arrayLength → arrayLimit)
• [actions] fix rebase workflow permissions

6.14.1

• [Fix] ensure arrayLimit applies to [] notation as well
• [Fix] parse: when a custom decoder returns null for a key, ignore that key
• [Refactor] parse: extract key segment splitting helper
• [meta] add threat model
• [actions] add workflow permissions
• [Tests] stringify: increase coverage
• [Dev Deps] update eslint, @ljharb/eslint-config, npmignore, es-value-fixtures, for-each, object-inspect

6.14.0

• [New] parse: add throwOnParameterLimitExceeded option (#517)
• [Refactor] parse: use utils.combine more
• [patch] parse: add explicit throwOnLimitExceeded default
• [actions] use shared action; re-add finishers
• [meta] Fix changelog formatting bug
• [Deps] update side-channel
• [Dev Deps] update es-value-fixtures, has-bigints, has-proto, has-symbols

... (truncated)

Commits

• 9aca407 v6.15.2
• 5e33d33 [Dev Deps] update @ljharb/eslint-config
• 21f80b3 [Fix] stringify: skip null/undefined entries in arrayFormat: 'comma' + `e...
• a0a81ea [Fix] stringify: use configured delimiter after charsetSentinel
• e3062f7 [Fix] stringify: apply formatter to encoded key under strictNullHandling
• 0c180a4 [Fix] stringify: skip null/undefined filter-array entries instead of crashi...
• 3a8b94a [Tests] add regression tests for keys containing percent-encoded bracket text
• 96755ab [readme] fix grammar
• a419ce5 [Fix] parse: handle nested bracket groups and add regression tests
• 3f5e1c5 v6.15.1
• Additional commits viewable in compare view

Updates express from 4.22.1 to 4.22.2

Release notes

Sourced from express's releases.

v4.22.2

What's Changed

• fix: restore >20 array parsing for req.query repeated keys (8d09bfe6)
  • This also unifies array-cap behavior across notations. Indexed notation (a[0]=...) was historically capped at qs's default arrayLimit of 20 even in older qs versions; after this change it also allows up to 1000 items.
• deps: qs@~6.15.1
• deps: body-parser@~1.20.5

New Contributors

• @​suuuuuuminnnnnn made their first contribution in expressjs/express#7021
• @​SAY-5 made their first contribution in expressjs/express#7181

Full Changelog: expressjs/express@v4.22.1...v4.22.2

Changelog

Sourced from express's changelog.

4.22.2 / 2026-05-011

• fix: restore >20 array parsing for req.query repeated keys (8d09bfe6)
  • This also unifies array-cap behavior across notations. Indexed notation (a[0]=...) was historically capped at qs's default arrayLimit of 20 even in older qs versions; after this change it also allows up to 1000 items.
• deps: qs@~6.15.1
• deps: body-parser@~1.20.5

Commits

• df0abc9 4.22.2
• 836d366 4.x update qs to 6.15.1, body-parser 1.20.5 (#7224)
• 8d09bfe fix: restore array parsing for req.query repeated keys (#7181)
• d39e8ad deps: body-parser@~1.20.4 (#7021)
• efe85d9 deps: qs@^6.14.1 (#6972)
• f62378e 📝 add note to history
• See full diff in compare view

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