Bump to 0.3.0. (#30)

diff --git a/Cargo.toml b/Cargo.toml
index b1c1476..64c5268 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@
 
 [package]
 name = "skywalking"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["Apache Software Foundation"]
 edition = "2021"
 description = "Apache SkyWalking Rust Agent"
diff --git a/e2e/Cargo.toml b/e2e/Cargo.toml
index 9d523b4..2b156d0 100644
--- a/e2e/Cargo.toml
+++ b/e2e/Cargo.toml
@@ -17,7 +17,7 @@
 #
 [package]
 name = "e2e"
-version = "0.2.0"
+version = "0.0.0"
 authors = ["Apache Software Foundation"]
 edition = "2021"
 publish = false