Richard Berendsen

**Describe the bug** Given this config file ``` config-version: 1 vars: secrets: azure_ad_certificate: |- foobarfoobarfoobar foobarfoobarfoobar ``` schemachange does print out the secret unredacted to stdout. **To Reproduce** Steps to...

**Problem** When given a multi-line secret in the schemachange-config YAML, it would not be redacted, because just before calling `SecretManager.global_redact`, the config vars section would be serialised as YAML, adding...