Add MegaLinter Workflow

[franziska-wegner]

This PR tests another GitHub action and workflow, called megalinter [1], for the framework with regards to code style and static checks.

[1] https://github.com/oxsecurity/megalinter
[2] https://analysis-tools.dev/tool/mega-linter

[github-actions]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	1		0	0.0s
❌ COPYPASTE	jscpd	yes		93	7.46s
❌ REPOSITORY	checkov	yes		3	17.66s
❌ REPOSITORY	devskim	yes		29	6.88s
✅ REPOSITORY	dustilock	yes		no	0.01s
✅ REPOSITORY	gitleaks	yes		no	9.23s
✅ REPOSITORY	git_diff	yes		no	0.05s
✅ REPOSITORY	grype	yes		no	17.74s
❌ REPOSITORY	kics	yes		1	2.06s
✅ REPOSITORY	secretlint	yes		no	1.53s
✅ REPOSITORY	syft	yes		no	0.47s
✅ REPOSITORY	trivy	yes		no	4.43s
✅ REPOSITORY	trivy-sbom	yes		no	3.56s
✅ REPOSITORY	trufflehog	yes		no	9.41s
❌ SPELL	cspell	2		1	2.97s
❌ SPELL	lychee	1		2	1.14s
✅ YAML	prettier	1	1	0	0.57s
✅ YAML	v8r	1		0	2.8s
✅ YAML	yamllint	1		0	0.28s

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

MegaLinter is graciously provided by

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b7ea069) 93.26% compared to head (37b9262) 93.26%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #60   +/-   ##
=======================================
  Coverage   93.26%   93.26%           
=======================================
  Files          29       29           
  Lines        2823     2823           
=======================================
  Hits         2633     2633           
  Misses        190      190           

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