feat: add option to disable fetch externals

[daantimmer]

No description provided.

[github-actions]

Test Results

24 tests  ±0   24 ✅ ±0   3s ⏱️ ±0s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit fce22e1. ± Comparison against base commit a8ba3f7.

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	6		0	0	0.03s
✅ CPP	clang-format	81	1	0	0	0.57s
✅ DOCKERFILE	hadolint	1		0	0	0.11s
✅ JSON	jsonlint	8		0	0	0.14s
✅ JSON	prettier	8	6	0	0	0.49s
✅ MARKDOWN	markdownlint	4	1	0	0	0.69s
⚠️ MARKDOWN	markdown-link-check	4		2	0	20.7s
✅ MARKDOWN	markdown-table-formatter	4	1	0	0	0.18s
✅ REPOSITORY	checkov	yes		no	no	13.71s
✅ REPOSITORY	git_diff	yes		no	no	0.01s
✅ REPOSITORY	grype	yes		no	no	20.43s
✅ REPOSITORY	ls-lint	yes		no	no	0.06s
✅ REPOSITORY	secretlint	yes		no	no	1.04s
✅ REPOSITORY	syft	yes		no	no	0.97s
✅ REPOSITORY	trivy	yes		no	no	6.75s
✅ REPOSITORY	trivy-sbom	yes		no	no	0.07s
✅ REPOSITORY	trufflehog	yes		no	no	12.19s
⚠️ SPELL	lychee	49		1	0	1.55s
✅ YAML	prettier	10	0	0	0	0.55s
✅ YAML	v8r	10		0	0	4.47s
✅ YAML	yamllint	10		0	0	0.4s

See detailed report in MegaLinter reports

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud