Abstract GitHub interactions

[wesley-dean-flexion]

This will add a layer of abstraction around the GitHub API interactions
that write to the API (i.e., stuff affected by DRY_RUN. This helps
test the tool without actually writing to GitHub.

An additional logging variable was added, LOG_LEVEL that allows the
user to specify how verbose (higher = less verbose) the tool will be
when determing which messages to display. The default is 20 (i.e.,
INFO); 10 would correspond to DEBUG while 50 would correspond to
CRITICAL.

The documentation and sample env file were updated.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	2		0	0.05s
✅ DOCKERFILE	hadolint	1		0	0.21s
✅ JSON	jsonlint	1		0	0.16s
✅ JSON	prettier	1	0	0	0.41s
✅ JSON	v8r	1		0	2.39s
✅ MARKDOWN	markdownlint	1	0	0	0.58s
✅ MARKDOWN	markdown-link-check	1		0	0.76s
✅ MARKDOWN	markdown-table-formatter	1	0	0	0.25s
✅ PYTHON	bandit	1		0	1.33s
✅ PYTHON	black	1	0	0	0.7s
✅ PYTHON	flake8	1		0	0.47s
✅ PYTHON	isort	1	0	0	0.29s
✅ PYTHON	mypy	1		0	2.32s
✅ PYTHON	pylint	1		0	2.54s
✅ PYTHON	pyright	1		0	8.49s
✅ PYTHON	ruff	1	0	0	0.2s
✅ REPOSITORY	checkov	yes		no	14.76s
✅ REPOSITORY	gitleaks	yes		no	0.15s
✅ REPOSITORY	git_diff	yes		no	0.0s
✅ REPOSITORY	grype	yes		no	13.35s
✅ REPOSITORY	secretlint	yes		no	1.49s
✅ REPOSITORY	trivy	yes		no	6.81s
✅ REPOSITORY	trivy-sbom	yes		no	4.1s
✅ REPOSITORY	trufflehog	yes		no	3.18s
✅ SPELL	lychee	8		0	0.44s
✅ YAML	prettier	5	0	0	0.58s
✅ YAML	v8r	5		0	7.94s
✅ YAML	yamllint	5		0	0.28s

See detailed report in MegaLinter reports

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