Update dependency open-policy-agent/conftest to v0.46.0

Author: renovate[bot]

confbatstest/Dockerfile_build

@@ -14,7 +14,7 @@ ARG OC_VERSION=4.14.1
 # renovate: datasource=github-releases depName=open-policy-agent/opa
 ARG OPA_VERSION=v0.58.0
 # renovate: datasource=github-releases depName=open-policy-agent/conftest
-ARG CONFTEST_VERSION=v0.39.2
+ARG CONFTEST_VERSION=v0.46.0
 # renovate: datasource=github-releases depName=instrumenta/kubeval
 ARG KUBEVAL_VERSION=latest