extras: Add EC toolbox abstractions and OPRF(P-384, SHA-384) VOPRF API #69

Job	Run time
Check cmake lists / Windows (6.0)	1s
Check cmake lists / Windows (nightly-6.0)	1s
Check cmake lists / Linux (5.9)	36s
Check cmake lists / Windows (nightly-main)	3s
Check cmake lists / Linux (5.10)	40s
Soundness / API breakage check	1m 41s
Soundness / Broken symlinks check	13s
Check cmake lists / Linux (6.0)	47s
Check cmake lists / Linux (nightly-6.0)	40s
Soundness / Documentation check	0s
Check cmake lists / Linux (nightly-main)	45s
Soundness / Format check	0s
Soundness / License headers check	7s
Soundness / Python lint check	6s
Soundness / Unacceptable language check	13s
Soundness / Shell check	33s
Soundness / YAML lint check	4s
Cxx interop / Cxx interop / Linux (5.9)	1m 17s
Cxx interop / Cxx interop / Windows (6.0)	1s
Cxx interop / Cxx interop / Linux (5.10)	1m 18s
Cxx interop / Cxx interop / Linux (6.0)	1m 29s
Cxx interop / Cxx interop / Windows (nightly-6.0)	3s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 36s
Cxx interop / Cxx interop / Windows (nightly-main)	3s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 39s
Unit tests / Unit tests / Linux (5.9)	3m 33s
Unit tests / Unit tests / Windows (nightly-6.0)	16m 51s
Unit tests / Unit tests / Windows (6.0)	12m 10s
Unit tests / Unit tests / Linux (5.10)	3m 40s
Unit tests / Unit tests / Windows (nightly-main)	14m 23s
Unit tests / Unit tests / Linux (6.0)	3m 52s
Unit tests / Unit tests / Linux (nightly-6.0)	4m 4s
Unit tests / Unit tests / Linux (nightly-main)	4m 4s
	1h 16m 33s

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