fix(cli): use `unicode` feature for `heck` crate, closes #5860 (#5872)

.changes/heck-unicode.md

@@ -0,0 +1,5 @@
+---
+"cli.rs": "patch"
+---
+
+Fix building apps with unicode characters in their `productName`.

tooling/cli/Cargo.toml

@@ -64,7 +64,7 @@ semver = "1.0"
 regex = "1.6.0"
 unicode-width = "0.1"
 zeroize = "1.5"
-heck = "0.4"
+heck = { version = "0.4", features = [ "unicode" ] }
 dialoguer = "0.10"
 url = { version = "2.3", features = [ "serde" ] }
 os_pipe = "1"