Bump get-port from 5.1.1 to 6.1.2

Bumps [get-port](https://github.com/sindresorhus/get-port) from 5.1.1 to 6.1.2.
- [Release notes](https://github.com/sindresorhus/get-port/releases)
- [Commits](sindresorhus/get-port@v5.1.1...v6.1.2)

---
updated-dependencies:
- dependency-name: get-port
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -61,7 +61,7 @@
     "es6-template-string": "^1.2.0",
     "front-matter": "^4.0.2",
     "fs-extra": "^10.0.0",
-    "get-port": "^5.1.1",
+    "get-port": "^6.1.2",
     "get-uri": "^4.0.0",
     "glob": "^7.2.0",
     "handlebars": "^4.7.7",