Bump bootstrap from 3.3.7 to 3.4.1

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 3.3.7 to 3.4.1.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v3.3.7...v3.4.1)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "angular2-moment": "^1.8.0",
     "arrive": "2.4.1",
     "autolinker": "^3.15.0",
-    "bootstrap": "3.3.7",
+    "bootstrap": "3.4.1",
     "bootstrap-material-design": "0.5.10",
     "bootstrap-notify": "3.1.3",
     "chart.js": "^2.9.4",