[Snyk] Security upgrade data_migrate from 9.3.0 to 9.4.0

[antobinary]

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 - Gemfile.lock #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **616/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.9 | Web Cache Poisoning
[SNYK-RUBY-RACK-1061917](https://snyk.io/vuln/SNYK-RUBY-RACK-1061917) | No | Proof of Concept (*) 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/bigbluebutton/project/dae6f95d-7fb5-4774-8589-d82bd453ceb7?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/bigbluebutton/project/dae6f95d-7fb5-4774-8589-d82bd453ceb7?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":"7559478a-20cd-473b-b56a-644b3e2022cb","prPublicId":"7559478a-20cd-473b-b56a-644b3e2022cb","dependencies":[{"name":"data_migrate","from":"9.3.0","to":"9.4.0"}],"packageManager":"rubygems","projectPublicId":"dae6f95d-7fb5-4774-8589-d82bd453ceb7","projectUrl":"https://app.snyk.io/org/bigbluebutton/project/dae6f95d-7fb5-4774-8589-d82bd453ceb7?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-RUBY-RACK-1061917"],"upgrade":["SNYK-RUBY-RACK-1061917"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[616],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Learn about vulnerability in an interactive lesson of Snyk Learn.](https://learn.snyk.io/?loc=fix-pr)

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud