fix cargo deny

deny.toml

@@ -2,11 +2,10 @@
 # More documentation for the advisories section can be found here:
 # https://embarkstudios.github.io/cargo-deny/checks/advisories/cfg.html
 [advisories]
-vulnerability = "deny"
-# FIXME(eddyb) `ansi_term` and `xml-rs` prevent this from being `deny`.
-unmaintained = "warn"
-yanked = "deny"
-notice = "deny"
+ignore = [
+    # safemem transitive dependency, old and unmaintained but not critical and stable
+    "RUSTSEC-2023-0081",
+]
 
 # This section is considered when running `cargo deny check bans`.
 # More documentation about the 'bans' section can be found here:
@@ -44,7 +43,6 @@ skip-tree = [
 
 
 [licenses]
-unlicensed = "deny"
 # List of explictly allowed licenses
 # See https://spdx.org/licenses/ for list of possible licenses
 # [possible values: any SPDX 3.7 short identifier (+ optional exception)].
@@ -69,7 +67,6 @@ exceptions = [
     { allow = ["CC0-1.0"], name = "notify", version = "5.0.0-pre.13" },
     { allow = ["CC0-1.0"], name = "hexf-parse" },
 ]
-copyleft = "deny"
 
 # See note in encoding_rs's readme! This clarification is copied directly from there.
 [[licenses.clarify]]