Bump multiple-select from 1.6.0 to 1.7.0 in /csunplugged

Bumps [multiple-select](https://github.com/wenzhixin/multiple-select) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/wenzhixin/multiple-select/releases)
- [Changelog](https://github.com/wenzhixin/multiple-select/blob/develop/CHANGELOG.md)
- [Commits](wenzhixin/multiple-select@1.6.0...1.7.0)

---
updated-dependencies:
- dependency-name: multiple-select
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

csunplugged/package.json

@@ -29,7 +29,7 @@
         "gulp": "4.0.2",
         "intro.js": "4.3.0",
         "jquery": "3.7.1",
-        "multiple-select": "1.6.0",
+        "multiple-select": "1.7.0",
         "pixrem": "5.0.0",
         "popper.js": "1.16.1",
         "postcss": "8.4.31",