bump version

Joylei · Joylei · commit 096ce5910643 · 2023-02-22T00:10:03.000+08:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "plotters-iced"
-version = "0.6.0"
+version = "0.7.0"
 description = "Iced backend for Plotters"
 readme = "README.md"
 license = "MIT"
