Bump semver from 6.3.0 to 7.1.1

Bumps [semver](https://github.com/npm/node-semver) from 6.3.0 to 7.1.1.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/master/CHANGELOG.md)
- [Commits](npm/node-semver@v6.3.0...v7.1.1)

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

package.json

@@ -46,7 +46,7 @@
     "mime": "^2.4.4",
     "morgan": "^1.9.1",
     "pug": "^2.0.4",
-    "semver": "^6.3.0",
+    "semver": "^7.1.1",
     "serve-favicon": "^2.5.0",
     "sri-toolbox": "^0.2.0",
     "staticify": "^3.3.4",