[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

config/turing-staging.yaml

@@ -26,7 +26,7 @@ binderhub:
       - secretName: turing-binder-tls-crt
         hosts:
           - binder-staging.mybinder.turing.ac.uk
-          # staging.turing.mybinder.org can be reinstated once it has been added to mybinder.org DNS Zone. 
+          # staging.turing.mybinder.org can be reinstated once it has been added to mybinder.org DNS Zone.
         #  - staging.turing.mybinder.org
 
   extraVolumes: