fix(jump-links): add aria-label to nav landmark #10878

Job	Run time
Verify that build runs on Windows	1m 59s
Lint files	36s
Unit Tests (Web Test Runner)	1m 44s
Compile project (24)	1m 13s
SSR Tests (Playwright)	1m 38s
Compile project (22)	1m 4s
Validate successful build on main	7s
Publish Playwright Report	39s
	9m 0s

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