chore(deps): update dependency semver to v7 (#1624)

Author: renovate[bot]

package.json

@@ -144,7 +144,7 @@
         "rimraf": "^3.0.0",
         "rucksack-css": "^1.0.2",
         "selenium-server": "^3.0.1",
-        "semver": "^5.3.0",
+        "semver": "^7.0.0",
         "style-loader": "^0.23.0",
         "stylelint": "^12.0.0",
         "stylelint-config-prettier": "^4.0.0",