Use cargo-binstall to install nextest

tools/codegen/base/cargo-nextest.json

@@ -1,16 +0,0 @@
-{
-  "repository": "https://github.com/nextest-rs/nextest",
-  "tag_prefix": "cargo-nextest-",
-  "rust_crate": "${package}",
-  "asset_name": "${package}-${version}-${rust_target}.tar.gz",
-  "platform": {
-    "x86_64_linux_gnu": {},
-    "x86_64_linux_musl": {},
-    "x86_64_macos": {
-      "asset_name": "${package}-${version}-universal-apple-darwin.tar.gz"
-    },
-    "x86_64_windows": {},
-    "aarch64_linux_gnu": {}
-  },
-  "prefer_linux_gnu": true
-}