feat(helper-text): port `<pf-v5-helper-text>` to `<pf-v6-helper-text>` element #11126

Job	Run time
Lint files	44s
Unit Tests (Web Test Runner)	2m 10s
SSR Tests (Playwright)	1m 44s
Verify that build runs on Windows	1m 45s
Compile project	0s
Publish Playwright Report	1m 25s
Validate successful build on main	5s
	7m 53s

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