Bump color-string from 1.5.4 to 1.5.5 in /vue/full

Bumps [color-string](https://github.com/Qix-/color-string) from 1.5.4 to 1.5.5.
- [Release notes](https://github.com/Qix-/color-string/releases)
- [Changelog](https://github.com/Qix-/color-string/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Qix-/color-string/compare/1.5.4...1.5.5)

---
updated-dependencies:
- dependency-name: color-string
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

vue/full/package-lock.json

@@ -1803,9 +1803,9 @@
           "dev": true
         },
         "vue-loader-v15": {
-          "version": "npm:vue-loader@15.9.6",
-          "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-15.9.6.tgz",
-          "integrity": "sha512-j0cqiLzwbeImIC6nVIby2o/ABAWhlppyL/m5oJ67R5MloP0hj/DtFgb0Zmq3J9CG7AJ+AXIvHVnJAPBvrLyuDg==",
+          "version": "npm:vue-loader@15.9.7",
+          "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-15.9.7.tgz",
+          "integrity": "sha512-qzlsbLV1HKEMf19IqCJqdNvFJRCI58WNbS6XbPqK13MrLz65es75w392MSQ5TsARAfIjUw+ATm3vlCXUJSOH9Q==",
           "dev": true,
           "requires": {
             "@vue/component-compiler-utils": "^3.1.0",
@@ -3335,9 +3335,9 @@
       "dev": true
     },
     "color-string": {
-      "version": "1.5.4",
-      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.5.4.tgz",
-      "integrity": "sha512-57yF5yt8Xa3czSEW1jfQDE79Idk0+AkN/4KWad6tbdxUmAs3MvjxlWSWD4deYytcRfoZ9nhKyFl1kj5tBvidbw==",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.5.5.tgz",
+      "integrity": "sha512-jgIoum0OfQfq9Whcfc2z/VhCNcmQjWbey6qBX0vqt7YICflUmBCh9E9CiQD5GSJ+Uehixm3NUwHVhqUAWRivZg==",
       "dev": true,
       "requires": {
         "color-name": "^1.0.0",