Update Cargo.lock

Author: oli-obk

src/tools/miri/Cargo.lock

@@ -282,19 +282,19 @@ checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
 
 [[package]]
 name = "libffi"
-version = "3.0.1"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e454b3efb16fba3b17810ae5e41df02b649e564ab3c5a34b3b93ed07ad287e6"
+checksum = "ce826c243048e3d5cec441799724de52e2d42f820468431fc3fceee2341871e2"
 dependencies = [
  "libc",
  "libffi-sys",
 ]
 
 [[package]]
 name = "libffi-sys"
-version = "2.0.1"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84e78d02e5a8eae9c24c38ce6e6026f80e16dff76adcdae4bc5c6c52c2de4a60"
+checksum = "dc65067b78c0fc069771e8b9a9e02df71e08858bec92c1f101377c67b9dca7c7"
 dependencies = [
  "cc",
 ]