fix: correct release asset path and add permissions for GitHub release

.github/workflows/cli.yml

···
         required: true
         type: string
 
+permissions:
+  contents: write
+
 jobs:
   build:
     name: Build CLI Binaries
···
           draft: false
           prerelease: false
           files: |
-            cli/release-assets/*
+            release-assets/*
           body: |
             ## Grain CLI ${{ steps.tag.outputs.tag }}