Fix GitHub Actions permissions for release workflow

- Add contents:write permission to allow updating releases
- Add actions:read permission for artifact downloads
- Resolves 'Resource not accessible by integration' error

.github/workflows/release.yml

@@ -10,6 +10,10 @@ on:
         required: true
         default: "v1.0.0"
 
+permissions:
+  contents: write
+  actions: read
+
 env:
   GO_VERSION_FILE: "go.mod"