Updated the installation instructions for lazy.nvim #1965

Job	Run time
tslint	55s
test (ubuntu, firefox, stable)	4m 6s
test (ubuntu, firefox, nightly)	3m 7s
test (ubuntu, chrome, stable)	2m 44s
test (ubuntu, chrome, nightly)	2m 38s
test (macos, firefox, stable)	7m 33s
test (macos, firefox, nightly)	6m 9s
test (macos, chrome, stable)	7m 4s
test (macos, chrome, nightly)	3m 57s
test (windows, firefox, stable)	6m 54s
test (windows, firefox, nightly)	11m 54s
test (windows, chrome, stable)	6m 13s
test (windows, chrome, nightly)	9m 51s
	1h 13m 5s

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