Bump awsiotsdk from 1.0.0.dev0 to 1.7.0

Bumps [awsiotsdk](https://github.com/aws/aws-iot-device-sdk-python-v2) from 1.0.0.dev0 to 1.7.0.
- [Release notes](https://github.com/aws/aws-iot-device-sdk-python-v2/releases)
- [Commits](https://github.com/aws/aws-iot-device-sdk-python-v2/commits/v1.7.0)

---
updated-dependencies:
- dependency-name: awsiotsdk
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 awscrt==0.10.2
 AWSIoTPythonSDK==1.4.9
-awsiotsdk==1.0.0.dev0
+awsiotsdk==1.7.0
 boto3==1.16.56
 botocore==1.19.56
 certifi==2020.12.5