More fixes about Flow Git Diff & Doc

[nvuillam]

Better handling of errors + Gitlab-ci default config

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	9		0	0.1s
⚠️ BASH	bash-exec	3		3	0.01s
✅ BASH	shfmt	3	0	0	0.41s
✅ COPYPASTE	jscpd	yes		no	20.98s
✅ DOCKERFILE	hadolint	1		0	0.14s
✅ JSON	npm-package-json-lint	yes		no	0.63s
⚠️ JSON	prettier	26	0	1	0.99s
✅ JSON	v8r	26		0	36.67s
⚠️ MARKDOWN	markdownlint	285	0	334	9.57s
✅ MARKDOWN	markdown-table-formatter	285	0	0	1.49s
✅ REPOSITORY	checkov	yes		no	19.62s
⚠️ REPOSITORY	gitleaks	yes		7	35.21s
⚠️ REPOSITORY	grype	yes		6	10.38s
✅ REPOSITORY	trivy	yes		no	5.61s
✅ REPOSITORY	trivy-sbom	yes		no	0.35s
✅ REPOSITORY	trufflehog	yes		no	5.56s
✅ SPELL	cspell	535		0	11.39s
⚠️ SPELL	lychee	328		8	3.55s
✅ TYPESCRIPT	eslint	188	0	0	10.63s
⚠️ TYPESCRIPT	prettier	188	0	1	0.72s
✅ XML	xmllint	4	0	0	0.4s
⚠️ YAML	prettier	15	0	1	0.69s
✅ YAML	v8r	15		0	10.34s
✅ YAML	yamllint	15		0	0.69s

See detailed report in MegaLinter reports

MegaLinter is graciously provided by