chore(vendor): add anyhow crate

third_party/crates/anyhow-1.0.104/Cargo.toml.orig

@@ -0,0 +1,36 @@
+[package]
+name = "anyhow"
+version = "1.0.104"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
+categories = ["rust-patterns", "no-std"]
+description = "Flexible concrete Error type built on std::error::Error"
+documentation = "https://docs.rs/anyhow"
+edition = "2021"
+keywords = ["error", "error-handling"]
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/dtolnay/anyhow"
+rust-version = "1.68"
+
+[features]
+default = ["std"]
+std = []
+# THIS HAS NO EFFECT. This feature remains to preserve compatibility with the
+# old `backtrace` optional dependency that this crate used to have.
+backtrace = []
+
+[dev-dependencies]
+futures = { version = "0.3", default-features = false }
+rustversion = "1.0.6"
+syn = { version = "3", features = ["full"] }
+thiserror = "2"
+trybuild = { version = "1.0.108", features = ["diff"] }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+rustdoc-args = [
+    "--generate-link-to-definition",
+    "--generate-macro-expansion",
+    "--extern-html-root-url=core=https://doc.rust-lang.org",
+    "--extern-html-root-url=alloc=https://doc.rust-lang.org",
+    "--extern-html-root-url=std=https://doc.rust-lang.org",
+]