feat(alert): add `<pf-alert>` element #10706

Job	Run time
Unit Tests (Web Test Runner)	1m 45s
Lint files	39s
SSR Tests (Playwright)	1m 33s
Verify that build runs on Windows	1m 53s
Compile project (24)	1m 5s
Compile project (22)	1m 6s
Publish Playwright Report	34s
Validate successful build on main	3s
	8m 38s

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