cargo-deny: temporarily allow chrono-english crate

https://rustsec.org/advisories/RUSTSEC-2024-0395 recommends migrating
off od `chrono-english`, but that doesn't seem easy. I've spent a few
hours on it already.

deny.toml

@@ -74,6 +74,7 @@ ignore = [
     #{ id = "RUSTSEC-0000-0000", reason = "you can specify a reason the advisory is ignored" },
     #"[email protected]", # you can also ignore yanked crate versions if you wish
     #{ crate = "[email protected]", reason = "you can specify why you are ignoring the yanked crate" },
+    { id = "RUSTSEC-2024-0395", reason = "temporary, to unblock PRs" },
 ]
 # If this is true, then cargo deny will use the git executable to fetch advisory database.
 # If this is false, then it uses a built-in git library.