chore(deps): update dependency boto3 to v1.12.21 (#3099)

This PR contains the following updates: | Package | Update | Change | |---|---|---| | [boto3](https://togithub.com/boto/boto3) | patch | `==1.12.18` -> `==1.12.21` | --- ### Release Notes <details> <summary>boto/boto3</summary> ### [`v1.12.21`](https://togithub.com/boto/boto3/blob/master/CHANGELOG.rst#&#8203;11221) [Compare Source](https://togithub.com/boto/boto3/compare/1.12.20...1.12.21) ======= - api-change:`appconfig`: [``botocore``] Update appconfig client to latest version ### [`v1.12.20`](https://togithub.com/boto/boto3/blob/master/CHANGELOG.rst#&#8203;11220) [Compare Source](https://togithub.com/boto/boto3/compare/1.12.19...1.12.20) ======= - api-change:`lex-models`: [``botocore``] Update lex-models client to latest version - api-change:`securityhub`: [``botocore``] Update securityhub client to latest version - api-change:`ec2`: [``botocore``] Update ec2 client to latest version - api-change:`apigatewayv2`: [``botocore``] Update apigatewayv2 client to latest version - api-change:`iot`: [``botocore``] Update iot client to latest version ### [`v1.12.19`](https://togithub.com/boto/boto3/blob/master/CHANGELOG.rst#&#8203;11219) [Compare Source](https://togithub.com/boto/boto3/compare/1.12.18...1.12.19) ======= - api-change:`efs`: [``botocore``] Update efs client to latest version - api-change:`redshift`: [``botocore``] Update redshift client to latest version </details> --- ### Renovate configuration :date: **Schedule**: At any time (no schedule defined). :vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied. :recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. :no_bell: **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#GoogleCloudPlatform/python-docs-samples).

Author: renovate-bot

storage/s3-sdk/requirements.txt

@@ -1 +1 @@
-boto3==1.12.18
+boto3==1.12.21