Startup 0.3.0 (#37)

diff --git a/Cargo.lock b/Cargo.lock
index 09018f4..a147dfc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1871,7 +1871,7 @@
 
 [[package]]
 name = "skywalking-php"
-version = "0.2.0"
+version = "0.3.0-dev"
 dependencies = [
  "anyhow",
  "axum",
diff --git a/Cargo.toml b/Cargo.toml
index 44ca99a..95fa875 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@
 
 [package]
 name = "skywalking-php"
-version = "0.2.0"
+version = "0.3.0-dev"
 authors = ["Apache Software Foundation", "jmjoy <jmjoy@apache.org>", "Yanlong He <heyanlong@apache.org>"]
 description = "Apache SkyWalking PHP Agent."
 edition = "2021"