feat(label-group): create pf-label-group element #10692

Job	Run time
Unit Tests (Web Test Runner)	41s
SSR Tests (Playwright)	56s
Verify that build runs on Windows	1m 25s
Lint files	39s
Compile project	0s
Validate successful build on main	3s
Publish Playwright Report	10s
	3m 54s

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