[Snyk] Fix for 1 vulnerabilities

[tiegz]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `rubygems` dependencies of this project.

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - Gemfile

⚠️ Warning

``` Failed to update the Gemfile.lock, please update manually before merging. ```

#### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **661/1000**
**Why?** Recently disclosed, Has a fix available, CVSS 7.5 | Directory Traversal
[SNYK-RUBY-TZINFO-2958048](https://snyk.io/vuln/SNYK-RUBY-TZINFO-2958048) | No | No Known Exploit (*) Note that the real score may have changed since the PR was raised. Check the changes in this PR to ensure they won't cause issues with your project. ------------ **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.* For more information: 🧐 [View latest project report](https://app.snyk.io/org/tiegz/project/703e6230-664f-462e-8dff-a1973558c723?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/tiegz/project/703e6230-664f-462e-8dff-a1973558c723?utm_source=github&utm_medium=referral&page=fix-pr/settings) 📚 [Read more about Snyk's upgrade and patch logic](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities) [//]: # (snyk:metadata:{"prId":"eaf68ab2-31b1-4b61-b265-35e7e8dae9de","prPublicId":"eaf68ab2-31b1-4b61-b265-35e7e8dae9de","dependencies":[{"name":"audited-activerecord","from":"4.0.0.rc1","to":"4.0.0"},{"name":"coffee-rails","from":"4.0.1","to":"4.0.1"},{"name":"delayed_job","from":"4.0.1","to":"4.0.1"},{"name":"delayed_job_active_record","from":"4.0.1","to":"4.0.1"},{"name":"devise","from":"4.7.1","to":"4.7.1"},{"name":"exception_notification","from":"4.0.1","to":"4.0.1"},{"name":"factory_girl","from":"4.1.0","to":"4.1.0"},{"name":"factory_girl_rails","from":"4.1.0","to":"4.1.0"},{"name":"flot-rails","from":"0.0.6","to":"0.0.6"},{"name":"jquery-rails","from":"3.0.4","to":"3.0.4"},{"name":"kaminari","from":"0.14.1","to":"0.14.1"},{"name":"nav_lynx","from":"1.1.1","to":"1.1.1"},{"name":"paperclip","from":"4.3.7","to":"4.3.7"},{"name":"premailer-rails","from":"1.8.0","to":"1.8.0"},{"name":"quiet_assets","from":"1.1.0","to":"1.1.0"},{"name":"rails","from":"4.1.13","to":"4.1.13"},{"name":"ransack","from":"1.3.0","to":"1.3.0"},{"name":"sass-rails","from":"5.0.1","to":"5.0.1"},{"name":"shoulda","from":"3.5.0","to":"3.5.0"},{"name":"shoulda-matchers","from":"2.6.2","to":"2.6.2"}],"packageManager":"rubygems","projectPublicId":"703e6230-664f-462e-8dff-a1973558c723","projectUrl":"https://app.snyk.io/org/tiegz/project/703e6230-664f-462e-8dff-a1973558c723?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-RUBY-TZINFO-2958048"],"upgrade":["SNYK-RUBY-TZINFO-2958048"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["pr-warning-shown","priorityScore"],"priorityScoreList":[661]}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Directory Traversal](https://learn.snyk.io/lessons/directory-traversal/golang?loc=fix-pr)