Bump bootstrap from 3.3.7 to 3.4.1 (#425)

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)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "admin-lte": "^2.4.2",
     "axios": "^0.18",
     "babel-eslint": "^7.1.1",
-    "bootstrap": "3.3.7",
+    "bootstrap": "3.4.1",
     "popper.js": "^1.12",
     "cross-env": "^5.0.1",
     "eslint": "^4.18.2",