feat(alert): add `<pf-alert>` element #10731

Job	Run time
Verify that build runs on Windows	1m 22s
Lint files	37s
Compile project (22)	59s
Unit Tests (Web Test Runner)	1m 41s
Compile project (24)	1m 0s
SSR Tests (Playwright)	1m 31s
Publish Playwright Report	34s
Validate successful build on main	3s
	7m 47s

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