HOFF-409: Fix Vulnerabilities

[gadorcruz]

What?

Update the following to fix the current vulnerabilities:

• node image to 20.16.0
• remove snyk
• add trivy to scan image and packages
• update slack and cron jobs
• update dockerfile node version
• update hof package to 21.0.6

Why?

The current node image and packages has critical, high and medium vulnerabilities that need fixing

How?

Update the .drone.yml, dockerfile and json package

Testing?

Screenshots (optional)

Anything Else? (optional)

Check list

• I have reviewed my own pull request for linting issues (e.g. adding new lines)
• I have written tests (if relevant)
• I have created a JIRA number for my branch
• I have created a JIRA number for my commit
• I have followed the chris beams method for my commit https://cbea.ms/git-commit/
  here is an example commit
• Ensure drone builds are green especially tests
• I will squash the commits before merging

[gadorcruz]

This PR is for information only until the node packages are updated.