chore(deps): update helm release metrics-server to v3.8.4

[renovate]

This PR contains the following updates:

Package	Update	Change
metrics-server	patch	3.8.2 -> 3.8.4

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🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ COPYPASTE	jscpd	yes		no	0.81s
✅ KUBERNETES	kubeval	1		0	0.13s
✅ REPOSITORY	git_diff	yes		no	0.01s
❌ REPOSITORY	secretlint	yes		1	0.94s
✅ YAML	prettier	1		0	0.53s
✅ YAML	yamllint	1		0	0.25s

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