Bump tinycolor2 from 1.4.2 to 1.6.0 (#44)

Bumps [tinycolor2](https://github.com/bgrins/TinyColor) from 1.4.2 to 1.6.0.
- [Release notes](https://github.com/bgrins/TinyColor/releases)
- [Commits](bgrins/TinyColor@1.4.2...1.6.0)

---
updated-dependencies:
- dependency-name: tinycolor2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "@skyscanner/bpk-foundations-web": "^6.2.0",
     "lodash": "^4.17.21",
     "postcss-values-parser": "^6.0.0",
-    "tinycolor2": "^1.4.2"
+    "tinycolor2": "^1.6.0"
   },
   "devDependencies": {
     "@skyscanner/eslint-config-skyscanner": "^15.1.0",