Security concerns over compromised dependencies

[theotchlx]

Problem

Dependabot automatically detected security issues in some outdated dependencies these past 2 months:
https://github.com/dev-sys-do/sealci/security/dependabot

Solution

• Review suggested security patches.
• Make sure updates to dependencies don't break code.
• Apply updates.

[theotchlx]

Scheduler dependencies have been upgraded, but no security audits have been conducted yet. (in PR 130)