gix-actor docs: document conversions between Signature and SignatureRef
#6198
| Job | Run time |
|---|---|
| 11s | |
| 2m 2s | |
| 1m 39s | |
| 3m 16s | |
| 3m 57s | |
| 3m 22s | |
| 14m 46s | |
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| 9m 38s | |
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| 4s | |
| 11m 40s | |
| 2m 55s | |
| 14m 24s | |
| 1m 12s | |
| 5m 28s | |
| 2m 21s | |
| 5m 2s | |
| 3m 3s | |
| 2s | |
| 1h 26m 57s |