feat(label-group): create pf-label-group element #10695

Job	Run time
Unit Tests (Web Test Runner)	1m 39s
Lint files	37s
SSR Tests (Playwright)	1m 29s
Verify that build runs on Windows	2m 1s
Compile project	0s
Publish Playwright Report	52s
Validate successful build on main	7s
	6m 45s

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