Security upgrades

node_modules/x-xss-protection/CHANGELOG.md

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+# Changelog
+
+## 1.3.0 - 2019-09-01
+### Added
+- Added `mode: null` to disable `mode=block`
+
+### Changed
+- Minor performance improvements with Internet Explorer <9 detection
+
+## 1.2.0 - 2019-06-15
+### Added
+- Added TypeScript type definitions. See [#8](https://github.com/helmetjs/x-xss-protection/pull/8)
+- Created a changelog
+- Added some additional package metadata
+
+### Changed
+- Updated documentation
+- Excluded some files from npm package
+
+Changes in versions 1.1.0 and below can be found in [Helmet's changelog](https://github.com/helmetjs/helmet/blob/master/CHANGELOG.md).