Update faerie, remove usage of failure (#591)

This commit removes the usage of the `failure` crate and finishes up the
final pieces of the migration to `std::error::Error` and `anyhow`. The
`faerie` crate was updated to pull in its migration from `failure` to
`anyhow` as well.

crates/debug/src/transform/utils.rs

@@ -1,8 +1,8 @@
 use super::address_transform::AddressTransform;
 use super::expression::{CompiledExpression, FunctionFrameInfo};
 use alloc::vec::Vec;
+use anyhow::Error;
 use cranelift_wasm::DefinedFuncIndex;
-use failure::Error;
 use gimli::write;
 use wasmtime_environ::{ModuleVmctxInfo, ValueLabelsRanges};