Ignore AWS-CLI v2 deprecation warnings

[codecov[bot]]

Codecov Report

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

Comparison is base (c78d355) 100.00% compared to head (81bd860) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #139 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 12 12 Lines 302 303 +1 ========================================= + Hits 302 303 +1 ``` | [Files](https://app.codecov.io/gh/eheikes/tts/pull/139?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Eric+Heikes) | Coverage Δ | | |---|---|---| | [packages/tts-cli/lib/providers/aws.js](https://app.codecov.io/gh/eheikes/tts/pull/139?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Eric+Heikes#diff-cGFja2FnZXMvdHRzLWNsaS9saWIvcHJvdmlkZXJzL2F3cy5qcw==) | `100.00% <100.00%> (ø)` | |

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