Unredact logs for Failed in Prepared Statement

[Dedej-Bergin]

Describe the problem

On Datadog we see that a log message is redacted here for a failed prepared statement:

unsupported comparison operator: ‹×›

We need to unredact the log message here so that we can further investigate.

Jira issue: CRDB-50609

Epic CRDB-55074

[blathers-crl]

Hi @Dedej-Bergin, please add branch-* labels to identify which branch(es) this C-bug affects.

_{🦉 Hoot! I am a Blathers, a bot for CockroachDB. My owner is dev-inf.}

[blathers-crl]

Hi @rafiss, please add a branch-* label to identify the earliest affected branch for this C-bug

_{🦉 Hoot! I am a Blathers, a bot for CockroachDB. My owner is dev-inf.}