Bump dustjs-linkedin from 2.5.0 to 3.0.0

Bumps [dustjs-linkedin](https://github.com/linkedin/dustjs) from 2.5.0 to 3.0.0.
- [Release notes](https://github.com/linkedin/dustjs/releases)
- [Changelog](https://github.com/linkedin/dustjs/blob/master/CHANGELOG.md)
- [Commits](linkedin/dustjs@v2.5.0...v3.0.0)

---
updated-dependencies:
- dependency-name: dustjs-linkedin
  dependency-type: direct:production
...

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

package.json

@@ -23,7 +23,7 @@
     "consolidate": "0.14.5",
     "cookie-parser": "1.3.3",
     "dustjs-helpers": "1.5.0",
-    "dustjs-linkedin": "2.5.0",
+    "dustjs-linkedin": "3.0.0",
     "ejs": "1.0.0",
     "ejs-locals": "1.0.2",
     "errorhandler": "1.2.0",