Update to 0.3.1.

Author: jmjoy

phper-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "phper-sys"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["jmjoy <[email protected]>"]
 edition = "2021"
 rust-version = "1.56"

phper/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "phper"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["jmjoy <[email protected]>"]
 edition = "2021"
 rust-version = "1.56"
@@ -22,7 +22,7 @@ indexmap = "1.6.2"
 once_cell = "1.7.2"
 phper-alloc = { version = "0.3.0", path = "../phper-alloc" }
 phper-macros = { version = "0.3.0", path = "../phper-macros" }
-phper-sys = { version = "0.3.0", path = "../phper-sys" }
+phper-sys = { version = "0.3.1", path = "../phper-sys" }
 thiserror = "1.0.10"
 
 [build-dependencies]