chore(deps): update dependency boto3 to v1.12.31 (#3193)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [boto3](https://togithub.com/boto/boto3) | patch | `==1.12.30` -> `==1.12.31` |

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### Release Notes

<details>
<summary>boto/boto3</summary>

### [`v1.12.31`](https://togithub.com/boto/boto3/blob/master/CHANGELOG.rst#&#8203;11231)

[Compare Source](https://togithub.com/boto/boto3/compare/1.12.30...1.12.31)

=======

-   api-change:`globalaccelerator`: [``botocore``] Update globalaccelerator client to latest version
-   api-change:`kendra`: [``botocore``] Update kendra client to latest version
-   api-change:`servicecatalog`: [``botocore``] Update servicecatalog client to latest version

</details>

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Author: renovate-bot

storage/s3-sdk/requirements.txt

@@ -1 +1 @@
-boto3==1.12.30
+boto3==1.12.31