Use jq flag instead of pipe

Signed-off-by: Cody Soyland <[email protected]>

charts/trust-policies/values.yaml

@@ -27,7 +27,7 @@ policy:
     github: true
     # githubTrustDomain may be set to the trust domain applicable for some GitHub Enterprise Cloud accounts.
     # If applicable, this may be set to the output of the following command:
-    # $ gh api meta | jq .domains.artifact_attestations.trust_domain
+    # $ gh api meta --jq .domains.artifact_attestations.trust_domain
     # See documentation for more details: https://docs.github.com/en/actions/security-for-github-actions/using-artifact-attestations/enforcing-artifact-attestations-with-a-kubernetes-admission-controller
     githubTrustDomain: ''
     # trust the Sigstore public-good signing authority