feat: add retry logic for quota errors (#53)

Author: bharathkkb

modules/project_cleanup/function_source/go.mod

@@ -3,7 +3,7 @@ module github.com/terraform-google-modules/terraform-google-scheduled-function/m
 go 1.13
 
 require (
-	golang.org/x/net v0.0.0-20200822124328-c89045814202
-	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43
-	google.golang.org/api v0.35.0
+	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
+	golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84
+	google.golang.org/api v0.43.0
 )