chore(test): Remove ignorance of RUSTSEC-2021-0145

Now that we're consuming criterion 0.5.1 that no longer depends on atty,
removes the ignorance of RUSTSEC-2021-0145 from cargo audit test.

Signed-off-by: Takahiro Itazuri <[email protected]>

Author: zulinx86

.cargo/audit.toml

@@ -1,9 +1 @@
 [advisories]
-# atty is an unmaintained dependency introduced by criterion.
-# It has a security advisory about illegal memory access on
-# windows.
-# We are using criterion only for benchmarks, so we can ignore
-# this vulnerability until criterion releases a new version
-# that replaces atty.
-# See https://github.com/bheisler/criterion.rs/issues/628.
-ignore = ["RUSTSEC-2021-0145"]