TLS client auth headers incorrectly documented

### Example URL(s)

https://developers.cloudflare.com/rules/transform/managed-transforms/reference/

### Actual Behavior

Cert fingerprints are actually returned in the following headers:
`cf-cert-sha256`
`cf-cert-sha1`

### Expected Behavior

Documentation says they are returned in these headers (which are not present)
`cf-cert-fingerprint-sha256`
`cf-cert-fingerprint-sha1`

### Additional information

_No response_