dist: bump rustup version to 1.28.0
#1664
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| 7m 46s | |
| 1m 14s | |
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| 9m 32s | |
| 2m 36s | |
| 1m 44s | |
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| 8m 31s | |
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| 1m 24s | |
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| 4m 40s | |
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| 9m 3s | |
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| 33s | |
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| 1h 22m 34s |