Bump smooth-scroll from v16.1.2 to 16.1.2

Bumps [smooth-scroll](https://github.com/cferdinandi/smooth-scroll) from v16.1.2 to 16.1.2. This release includes the previously tagged commit.
- [Release notes](https://github.com/cferdinandi/smooth-scroll/releases)
- [Commits](https://github.com/cferdinandi/smooth-scroll/compare/3d3e381864589601cb3b7417e1162a5b7d5bd286...v16.1.2)

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

package.json

@@ -80,7 +80,7 @@
     "pg": "^7.17.1",
     "redis": "^2.8.0",
     "sequelize": "^5.21.3",
-    "smooth-scroll": "https://github.com/cferdinandi/smooth-scroll#v16.1.2",
+    "smooth-scroll": "^16.1.2",
     "statsy": "~0.2.0",
     "stripe": "^8.12.0",
     "webpack": "^4.41.5",