Add default value for signature algorithm #53

Job	Run time
Benchmarks / Construct Benchmarks matrix	3s
Unit tests / Construct unit test matrix	3s
Cxx interop / Construct Cxx interop matrix	3s
Soundness / Broken symlinks check	2s
Soundness / API breakage check	2m 3s
Soundness / Documentation check	2m 8s
Soundness / Format check	33s
Soundness / License headers check	4s
Soundness / Unacceptable language check	2s
Soundness / Python lint check	5s
Soundness / Shell check	2m 6s
Soundness / YAML lint check	4s
Check cmake lists / Linux (5.9)	31s
Check cmake lists / Windows (6.0)	4s
Check cmake lists / Linux (5.10)	33s
Check cmake lists / Windows (nightly-6.0)	2s
Check cmake lists / Linux (6.0)	32s
Check cmake lists / Windows (nightly-main)	2s
Check cmake lists / Linux (nightly-6.0)	35s
Check cmake lists / Linux (nightly-main)	45s
Benchmarks / Benchmarks / Linux (5.9)	8m 24s
Benchmarks / Benchmarks / Linux (5.10)	8m 22s
Benchmarks / Benchmarks / Linux (6.0)	8m 1s
Benchmarks / Benchmarks / Linux (nightly-6.0)	9m 10s
Benchmarks / Benchmarks / Linux (nightly-main)	7m 53s
Unit tests / Unit tests / Linux (5.9)	3m 24s
Unit tests / Unit tests / Linux (5.10)	3m 18s
Unit tests / Unit tests / Linux (6.0)	3m 28s
Unit tests / Unit tests / Linux (nightly-6.0)	3m 47s
Unit tests / Unit tests / Linux (nightly-main)	3m 26s
Cxx interop / Cxx interop / Linux (5.9)	1m 21s
Cxx interop / Cxx interop / Linux (5.10)	1m 17s
Cxx interop / Cxx interop / Linux (6.0)	1m 32s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 47s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 33s
	1h 17m 3s

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