feat: Allow more access to SystemTickTimerService

[fabiangottstein]

This allows extensions by inheritance.

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	5		0	0.01s
✅ CPP	clang-format	15	2	0	0.17s
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✅ JSON	prettier	7	2	0	0.88s
⚠️ MARKDOWN	markdownlint	6	1	7	1.18s
⚠️ MARKDOWN	markdown-link-check	6		2	54.19s
✅ MARKDOWN	markdown-table-formatter	6	1	0	0.34s
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✅ REPOSITORY	git_diff	yes		no	0.06s
✅ REPOSITORY	grype	yes		no	22.04s
✅ REPOSITORY	ls-lint	yes		no	0.06s
✅ REPOSITORY	secretlint	yes		no	55.38s
✅ REPOSITORY	trivy	yes		no	7.65s
✅ REPOSITORY	trivy-sbom	yes		no	0.67s
✅ REPOSITORY	trufflehog	yes		no	12.73s
⚠️ SPELL	lychee	30		3	54.23s
✅ YAML	prettier	8	1	0	0.88s
✅ YAML	v8r	8		0	6.6s
✅ YAML	yamllint	8		0	0.24s

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