unify scheduled and main yamls (#482) #13

Job	Run time
HTTP/2 spec tests / Windows (6.0)	3s
HTTP/2 spec tests / Windows (nightly-6.0)	1s
HTTP/2 spec tests / Windows (nightly-main)	1s
HTTP/2 spec tests / Linux (5.9)	1m 22s
Integration Tests / Windows (6.0)	3s
Integration Tests / Linux (5.9)	3m 28s
HTTP/2 spec tests / Linux (5.10)	1m 15s
Integration Tests / Windows (nightly-6.0)	3s
HTTP/2 spec tests / Linux (6.0)	1m 22s
Integration Tests / Windows (nightly-main)	1s
Integration Tests / Linux (5.10)	3m 9s
HTTP/2 spec tests / Linux (nightly-6.0)	1m 38s
Integration Tests / Linux (6.0)	3m 13s
HTTP/2 spec tests / Linux (nightly-main)	1m 46s
Integration Tests / Linux (nightly-6.0)	3m 46s
Integration Tests / Linux (nightly-main)	3m 58s
Cxx interop / Cxx interop / Windows (6.0)	3s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Linux (5.9)	1m 16s
Cxx interop / Cxx interop / Windows (nightly-main)	3s
Cxx interop / Cxx interop / Linux (5.10)	1m 13s
Cxx interop / Cxx interop / Linux (6.0)	1m 27s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 45s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 39s
Unit tests / Unit tests / Windows (6.0)	4s
Unit tests / Unit tests / Linux (5.9)	3m 5s
Unit tests / Unit tests / Windows (nightly-6.0)	2s
Unit tests / Unit tests / Linux (5.10)	3m 10s
Unit tests / Unit tests / Linux (6.0)	2m 50s
Unit tests / Unit tests / Linux (nightly-6.0)	3m 8s
Unit tests / Unit tests / Windows (nightly-main)	1s
Unit tests / Unit tests / Linux (nightly-main)	3m 12s
	48m 10s

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