Revert "release: Version 0.23.0 (#221)" (#222)

This reverts commit a23e4ba.

Author: minghuaw

Cargo.toml

@@ -1,7 +1,7 @@
 [workspace.package]
 # All but mlx-sys should follow the same version. mlx-sys should follow 
 # the version of mlx-c.
-version = "0.23.0"
+version = "0.21.2"
 edition = "2021"
 authors = [
     "Minghua Wu <michael.wu1107@gmail.com>",
@@ -28,10 +28,10 @@ resolver = "2"
 
 [workspace.dependencies]
 # workspace local dependencies
-mlx-sys = { version = "=0.1.2", path = "mlx-sys" }
-mlx-macros = { version = "0.23", path = "mlx-macros" }
-mlx-internal-macros = { version = "0.23", path = "mlx-internal-macros" }
-mlx-rs = { version = "0.23", path = "mlx-rs" }
+mlx-sys = { version = "=0.1.0", path = "mlx-sys" }
+mlx-macros = { version = "0.21", path = "mlx-macros" }
+mlx-internal-macros = { version = "0.21", path = "mlx-internal-macros" }
+mlx-rs = { version = "0.21.2", path = "mlx-rs" }
 
 # external dependencies
 thiserror = "1"

examples/mistral/Cargo.toml

@@ -12,7 +12,7 @@ mlx-rs.workspace = true
 tokenizers = "=0.21.0" # 0.21.1 uses features that went stable in 1.82 while our MSRV is 1.81
 thiserror = "1.0"
 anyhow = "1.0"
-hf-hub = "=0.4.1" # 0.4.2 uses features that went stable in 1.82 while our MSRV is 1.81
+hf-hub = "=0.4.1" # 0.4.1 use features that went stable in 1.82 while our MSRV is 1.81
 dotenv = "0.15"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"

mlx-internal-macros/Cargo.toml

@@ -17,5 +17,4 @@ proc-macro = true
 syn.workspace = true
 quote.workspace = true
 darling.workspace = true
-proc-macro2.workspace = true
-itertools.workspace = true
+proc-macro2.workspace = true