npm: bump mikey-pro from 7.3.1 to 7.4.0

Bumps [mikey-pro](https://github.com/chiefmikey/mikey-pro) from 7.3.1 to 7.4.0.
- [Release notes](https://github.com/chiefmikey/mikey-pro/releases)
- [Commits](https://github.com/chiefmikey/mikey-pro/commits)

---
updated-dependencies:
- dependency-name: mikey-pro
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -36,7 +36,7 @@
     "koa": "^2.15.3",
     "koa-bodyparser": "^4.4.1",
     "koa-static": "^5.0.0",
-    "mikey-pro": "^7.3.1",
+    "mikey-pro": "^7.4.0",
     "nodemon": "^3.1.0",
     "prettier": "^3.2.5",
     "sass": "^1.74.1",