chore: checkpoint before Python removal

vendor/potential_utf/Cargo.toml

@@ -0,0 +1,82 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2021"
+rust-version = "1.82"
+name = "potential_utf"
+version = "0.1.4"
+authors = ["The ICU4X Project Developers"]
+build = false
+include = [
+    "data/**/*",
+    "src/**/*",
+    "examples/**/*",
+    "benches/**/*",
+    "tests/**/*",
+    "Cargo.toml",
+    "LICENSE",
+    "README.md",
+    "build.rs",
+]
+autolib = false
+autobins = false
+autoexamples = false
+autotests = false
+autobenches = false
+description = "Unvalidated string and character types"
+homepage = "https://icu4x.unicode.org"
+readme = "README.md"
+categories = ["internationalization"]
+license = "Unicode-3.0"
+repository = "https://github.com/unicode-org/icu4x"
+
+[features]
+alloc = [
+    "serde_core?/alloc",
+    "writeable/alloc",
+    "zerovec?/alloc",
+]
+databake = ["dep:databake"]
+default = ["alloc"]
+serde = ["dep:serde_core"]
+writeable = ["dep:writeable"]
+zerovec = ["dep:zerovec"]
+
+[lib]
+name = "potential_utf"
+path = "src/lib.rs"
+
+[dependencies.databake]
+version = "0.2.0"
+optional = true
+default-features = false
+
+[dependencies.serde_core]
+version = "1.0.220"
+optional = true
+default-features = false
+
+[dependencies.writeable]
+version = "0.6.0"
+optional = true
+default-features = false
+
+[dependencies.zerovec]
+version = "0.11.3"
+optional = true
+default-features = false
+
+[dev-dependencies.bincode]
+version = "1.3.1"
+
+[dev-dependencies.serde_json]
+version = "1.0.45"