Merge pull request #45 from hackersandslackers/renovate/google-cloud-core-1.x

Update dependency google-cloud-core to v1.6.0

Author: toddbirchard

requirements.txt

@@ -5,7 +5,7 @@ chardet==4.0.0
 google-api-core==1.22.1
 google-auth==1.25.0
 google-cloud-bigquery==2.7.0
-google-cloud-core==1.4.1
+google-cloud-core==1.6.0
 google-cloud-storage==1.35.1
 google-crc32c==1.1.2
 google-resumable-media==1.2.0