Review/Fixes for DigitalOcean to overwrite PR #1604

[ltoroncc]

Description

This pull request addresses minor fixes and expand the number of rules and services included in the original PR #1604

Rules deprecated:

• database-databases-mysql-publically-exposed.json

Rules fixed:

• database-databases-mysql-user-legacy-encryption.json
• database-databases-redis-evicition-policy.json
• networking-domains-high-ttl.json
• networking-domains-missing-dkim.json
• networking-domains-missing-dmarc.json
• networking-domains-missing-spf.json
• networking-domains-spf-overly-permissive.json
• spaces-buckets-public-read.json
• spaces-buckets-public-write.json

New rules:

• database-databases-trusted-sources.json
• droplet-droplets-custom-image.json
• droplet-droplets-monitoring-not-enabled.json
• droplet-droplets-snapshots-not-present.json
• networking-load-balancer-without-droplet.json
• spaces-buckets-cors.json
• kubernetes-kubernetes-surge-upgrade.json
• kubernetes-kubernetes-ha-enabled.json
• kubernetes-kubernetes-autoupgrade-minor.json

New services:

• Kubernetes

Type of change

Select the relevant option(s):

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works (optional)
• [x] New and existing unit tests pass locally with my changes