build(deps): bump helmet from 8.2.0 to 8.3.0

[dependabot]

Bumps helmet from 8.2.0 to 8.3.0.

Changelog

Sourced from helmet's changelog.

8.3.0 - 2026-07-11

Changed

• Content-Security-Policy: improved performance by ~7% when there are no dynamic directives
• Content-Security-Policy: improved error handling for invalid directive names

Fixed

• Content-Security-Policy: useDefaults: false with no directives is no longer valid, both at runtime and the type level
• Content-Security-Policy: dynamically-computed directive values would throw, not call next, when invalid
• Content-Security-Policy: dynamically-computed directive value entries would throw, not call next, when function threw

Commits

• 75f1a98 8.3.0
• f03f70d Update changelog for 8.3.0 release
• a307fce Fix capitalization in CSP package changelog
• 5347b43 Format default CSP in README for readability
• 9afc570 CSP: fix middleware-specific README missing link
• 266c95c Minor speedups to project setups test
• 7a4196c CSP: update package-specific changelog
• 02716b4 CSP: improve performance when there are no dynamic directives
• 3f511ed CSP: move utility functions to separate file
• 80338af CSP: disabling defaults with no directives is now an error
• Additional commits viewable in compare view