Treat trivy errors as warnings

[unixorn]

Description

Trivy is annoyingly pedantic. Treat its 'errors' as just warnings.

License Acceptance

• This repository is Apache version 2.0 licensed and by making this PR, I am contributing my changes to the repository under the terms of the Apache 2 license.

Type of changes

• Add/update a helper script
• Add/update link to an external resource like a blog post or video
• Bug fix
• New feature
• Test updates
• Text cleanups/updates

Checklist

• I have read the CONTRIBUTING document.
• All new and existing tests pass.
• Any scripts added use #!/usr/bin/env interpreter instead of potentially platform-specific direct paths (#!/bin/sh is an allowed exception)
• Scripts added/updated in this PR are all marked executable.
• Scripts added/updated in this PR do not have a language file extension unless they are meant to be sourced and not run standalone. No one should have to know if a script was written in bash, python, ruby or whatever. Not including file extensions makes it easier to rewrite the script in another language later without having to change every reference to the previous version.
• I have confirmed that any links added or updated in my PR are valid.

[unixorn]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	1		0	0.01s
✅ COPYPASTE	jscpd	yes		no	1.14s
❌ DOCKERFILE	hadolint	1		1	0.07s
✅ EDITORCONFIG	editorconfig-checker	2		0	0.01s
✅ REPOSITORY	gitleaks	yes		no	0.26s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	secretlint	yes		no	0.65s
⚠️ REPOSITORY	trivy	yes		1	4.19s
✅ SPELL	misspell	2		0	0.05s
✅ YAML	prettier	1		0	0.41s
✅ YAML	v8r	1		0	2.28s
✅ YAML	yamllint	1		0	0.19s

See detailed report in MegaLinter reports
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

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