Upgrade versions of checkout and cypress actions. Remove slack action.

[jrhoads]

Purpose

Upgraded GitHub actions to use Node.js 16, due to the warnings each deployment.

closes: #239

Approach

Updated the current actions from v2 to v3

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)

• [ ] New feature (non-breaking change which adds functionality)

• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Reviewer, please remember our guidelines:

• Be humble in the language and feedback you give, ask don't tell.
• Consider using positive language as opposed to neutral when offering feedback. This is to avoid the negative bias that can occur with neutral language appearing negative.
• Offer suggestions on how to improve code e.g. simplification or expanding clarity.
• Ensure you give reasons for the changes you are proposing.

[cypress[bot]]

---

Test summary

65 • 0 • 0 • 0 • 0

---

Run details

Project	akita
Status	Passed
Commit	8d60e69e1e ℹ️
Started	Jan 5, 2023 3:31 PM
Ended	Jan 5, 2023 3:34 PM
Duration	02:33 💡
OS	Linux Ubuntu - 22.04
Browser	Electron 89

View run in Cypress Dashboard ➡️

---

This comment has been generated by cypress-bot as a result of this project's GitHub integration settings. You can manage this integration in this project's settings in the Cypress Dashboard