ci(providers/amazon): extend max_attempts for resume_redshift_cluster to 50

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (3b136fb) 98.29% compared to head (e3bef33) 98.29%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1456 +/- ## ======================================= Coverage 98.29% 98.29% ======================================= Files 91 91 Lines 5104 5104 ======================================= Hits 5017 5017 Misses 87 87 ```

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