chore: bump to 0.1.3 (#71)

Bumped main version

Please ensure:
- [ ] Target branch is correct (`main`)
- [ ] `main` version is bumped correctly
To make edits to this PR:
```shell
git fetch origin release/0.1.3 && git checkout -b release/0.1.3 origin/release/0.1.3
```

cc @fahchen

Co-authored-by: fahchen <[email protected]>

mix.exs

@@ -4,7 +4,7 @@ defmodule JetPluginSDK.MixProject do
   def project do
     [
       app: :jet_plugin_sdk,
-      version: "0.1.2",
+      version: "0.1.3",
       name: "JetPluginSDK",
       elixir: "~> 1.14",
       description: "The Jet Plugin SDK",