feat(alert): add `<pf-alert>` element #10744

Job	Run time
SSR Tests (Playwright)	1m 36s
Unit Tests (Web Test Runner)	1m 32s
Lint files	33s
Verify that build runs on Windows	1m 28s
Compile project (24)	1m 1s
Compile project (22)	1m 5s
Validate successful build on main	3s
Publish Playwright Report	46s
	8m 4s

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