[Snyk] Security upgrade @slack/client from 4.12.0 to 5.0.2

[vesameskanen]

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 `npm` dependencies of this project.

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - package.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **718/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 6.5 | Information Exposure
[SNYK-JS-FOLLOWREDIRECTS-6444610](https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-6444610) | Yes | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: @slack/client

The new version differs by 250 commits.

• 35b40af Publish
• f18a3ba Merge pull request #840 from clavin/increase-test-timeout-scalars
• a7f44c7 Incrase test timeout multipliers
• 8d56368 Merge pull request #839 from aoberoi/feat-remote-files
• 162b489 synchronize arguments and requiredness with public API docs
• 76a7aee jk the method is cursor pagination enabled
• cc2ef48 apply traditional paging interface instead of repeating arguments
• 0295088 simplify type definitions to make them generatable in the future
• 135b0b9 adds support for the Remote Files API
• bf4f18d Merge pull request #832 from seratch/response_metadata.messages
• 885b680 Merge pull request #795 from slackapi/add_code_of_conduct_file
• 673aaf3 Merge pull request #835 from clavin/api-call-extra-debug
• f4f0a30 Merge branch 'master' into add_code_of_conduct_file
• 86e2e89 Resolving linter line-length error
• 267647c Merge branch 'master' into api-call-extra-debug
• 7d36254 Merge branch 'master' into response_metadata.messages
• dd26e23 Merge pull request #797 from deremer/patch-1
• 96b1b39 Merge pull request #836 from clavin/fix-integration-test-types
• 54b9661 Level up: verbositiy, clarity, readability
• 2a7c135 Fix ye olde integration type tests
• d903789 Merge pull request #799 from clavin/convert-typescript
• b806e32 Merge branch 'master' into convert-typescript
• 3eabc38 Fix documentation & typos, better respond resolved type
• a6b22bc Remove unneeded condition

See the full diff

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/vesameskanen/project/ca5f51cd-69ba-4ee7-b289-9f8b8def3e1d?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/vesameskanen/project/ca5f51cd-69ba-4ee7-b289-9f8b8def3e1d?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":"d9cb5046-bfea-4058-a07e-3bb0c721fd08","prPublicId":"d9cb5046-bfea-4058-a07e-3bb0c721fd08","dependencies":[{"name":"@slack/client","from":"4.12.0","to":"5.0.2"}],"packageManager":"npm","projectPublicId":"ca5f51cd-69ba-4ee7-b289-9f8b8def3e1d","projectUrl":"https://app.snyk.io/org/vesameskanen/project/ca5f51cd-69ba-4ee7-b289-9f8b8def3e1d?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-FOLLOWREDIRECTS-6444610"],"upgrade":["SNYK-JS-FOLLOWREDIRECTS-6444610"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[718],"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)