Trim S3 creds

Author: mnasiadka

playbooks/base/post-logs.yaml

@@ -8,6 +8,6 @@
         name: upload-logs-s3
       vars:
         zuul_log_bucket: "zuul-stackhpc"
-        zuul_log_aws_access_key: "{{ zuul_s3.access_key }}"
-        zuul_log_aws_secret_key: "{{ zuul_s3.secret_key }}"
+        zuul_log_aws_access_key: "{{ zuul_s3.access_key | trim }}"
+        zuul_log_aws_secret_key: "{{ zuul_s3.secret_key | trim }}"
         upload_logs_s3_endpoint: "https://api.sms-lab.cloud:6780"