Add GitHub action to check for Semantic Version label #81

Job	Run time
Soundness / API breakage check	54s
Integration test / Windows (nightly-6.0)	2s
Integration test / Windows (6.0)	2s
Integration test / Windows (nightly-main)	1s
Integration test / Linux (5.9)	1m 41s
Integration test / Linux (5.10)	1m 35s
Integration test / Linux (6.0)	1m 51s
Soundness / Documentation check	1m 4s
Soundness / License headers check	4s
Integration test / Linux (nightly-6.0)	2m 21s
Soundness / Unacceptable language check	6s
Integration test / Linux (nightly-main)	30s
Soundness / Broken symlinks check	2s
Soundness / Format check	34s
Soundness / Python lint check	5s
Soundness / Shell check	33s
Soundness / YAML lint check	4s
Unit tests / Unit tests / Linux (5.9)	47s
Unit tests / Unit tests / Linux (5.10)	47s
Unit tests / Unit tests / Linux (6.0)	56s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 5s
Unit tests / Unit tests / Windows (6.0)	1s
Unit tests / Unit tests / Linux (nightly-main)	33s
Unit tests / Unit tests / Windows (nightly-6.0)	3s
Unit tests / Unit tests / Windows (nightly-main)	3s
	15m 44s

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