spin-pluginify: prepare for 0.4.0 release

Signed-off-by: Jiaxiao (mossaka) Zhou <[email protected]>

Author: Mossaka

spin-pluginify.toml

@@ -1,6 +1,6 @@
 name = "kube"
 description = "Commands for publishing applications to Kubernetes using the spin-operator."
-version = "0.3.0"
+version = "0.4.0"
 spin_compatibility = ">=2.3.1"
 license = "Apache-2.0"
 homepage = "https://github.com/spinkube/spin-plugin-kube"