Move postgres rsnapshot conf to /etc/rsnapshot.d

1 job for master in 30 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
failed test #4960

00:00:30

 
Name Stage Failure
failed
test Test
$ yamllint --version
yamllint 1.15.0
$ yamllint .
./mysql/defaults/main.yml
7:81 warning line too long (118 > 80 characters) (line-length)

$ ansible-lint ./*/
/builds/infra/ansible-shared/databases/mysql/tasks/main.yml:48: [E206] Variables should have spaces before and after: {{ var_name }}
ERROR: Job failed: exit code 1