Update getting started links in readme #87

Job	Run time
Semantic Version label check	6s
Unit tests / Construct unit test matrix	4s
Soundness / API breakage check	1m 11s
Soundness / Documentation check	53s
Soundness / Unacceptable language check	6s
Soundness / License headers check	4s
Soundness / Broken symlinks check	5s
Soundness / Format check	33s
Soundness / Shell check	37s
Soundness / Python lint check	6s
Soundness / YAML lint check	3s
Swift 6 Language Mode / Swift 6 language mode	54s
Unit tests / Unit tests / Linux (6.1)	1m 8s
Unit tests / Unit tests / Linux (nightly-next)	1m 29s
Unit tests / Unit tests / Linux (nightly-main)	1m 19s
Unit tests / Unit tests / Linux (6.0)	1m 8s
	9m 46s

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