chore: adjust renovate config

[JoshMock]

Getting endless PRs on a daily basis is too noisy. This adjusts it to work more like elasticsearch-js: ~10 max PRs weekly every Monday.

[github-actions]

✅MegaLinter analysis: Success

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ COPYPASTE	jscpd	yes		no	no	0.95s
✅ REPOSITORY	gitleaks	yes		no	no	59.83s
✅ REPOSITORY	git_diff	yes		no	no	0.42s
✅ REPOSITORY	secretlint	yes		no	no	29.64s
✅ REPOSITORY	trivy	yes		no	no	19.4s

Notices

📣 MegaLinter 9.5.0 is out! Discover the new features and security recommendations in the release announcement. (Skip this info by defining SECURITY_SUGGESTIONS: false)

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

MegaLinter is graciously provided by OX Security
Show us your support by starring ⭐ the repository