Bump to 0.7.0. (#60)

diff --git a/Cargo.toml b/Cargo.toml
index 12d9a3c..da1df32 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@
 
 [package]
 name = "skywalking"
-version = "0.6.0"
+version = "0.7.0"
 authors = ["Apache Software Foundation"]
 edition = "2021"
 description = "Apache SkyWalking Rust Agent"
diff --git a/dist-material/LICENSE b/dist-material/LICENSE
index 18fa349..6c5eda5 100644
--- a/dist-material/LICENSE
+++ b/dist-material/LICENSE
@@ -196,7 +196,7 @@
     https://crates.io/crates/prost-derive/0.11.0 0.11.0 Apache-2.0
     https://crates.io/crates/prost-types/0.11.0 0.11.0 Apache-2.0
     https://crates.io/crates/protobuf-src/1.0.5+3.19.3 1.0.5+3.19.3 Apache-2.0
-    https://crates.io/crates/skywalking/0.6.0 0.6.0 Apache-2.0
+    https://crates.io/crates/skywalking/0.7.0 0.7.0 Apache-2.0
     https://crates.io/crates/sync_wrapper/0.1.1 0.1.1 Apache-2.0
 
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