Bump underscore from 1.13.7 to 1.13.8 in /job-dsl-plugin (#2572)

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.13.7 to 1.13.8.
- [Commits](https://github.com/jashkenas/underscore/commits)

---
updated-dependencies:
- dependency-name: underscore
  dependency-version: 1.13.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

job-dsl-plugin/package-lock.json

@@ -26,7 +26,7 @@
     "jquery-ui": "1.14.2",
     "jquery.ui.layout": "1.1.0",
     "jstree": "3.3.17",
-    "underscore": "1.13.7"
+    "underscore": "1.13.8"
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",