Bump azure-common from 1.1.24 to 1.1.25

Bumps [azure-common](https://github.com/Azure/azure-sdk-for-python) from 1.1.24 to 1.1.25.
- [Release notes](https://github.com/Azure/azure-sdk-for-python/releases)
- [Commits](https://github.com/Azure/azure-sdk-for-python/compare/azure-common_1.1.24...azure-common_1.1.25)

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

requirements.txt

@@ -1,5 +1,5 @@
 PyYaml==5.3.1
-azure-common==1.1.24
+azure-common==1.1.25
 azure-mgmt-dns==3.0.0
 boto3==1.12.11
 botocore==1.15.34