Fix index-sha256 bit rot
#3217
| Job | Run time |
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| 35s | |
| 9m 52s | |
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| 2m 26s | |
| 30m 17s | |
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| 1m 48s | |
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| 17m 36s | |
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| 3m 30s | |
| 2m 52s | |
| 4m 35s | |
| 24s | |
| 6m 11s | |
| 24s | |
| 2m 51s | |
| 15s | |
| 16s | |
| 3m 3s | |
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| 3m 13s | |
| 1h 53m 35s |