fix: version in agent download url (#15)

Signed-off-by: Nianyu Shen <[email protected]>

Author: nianyush

.github/workflows/release.yaml

@@ -32,10 +32,8 @@ jobs:
           version: "latest"
           use-cache: true
       - name: Build artifacts
-        env:
-          VERSION: ${{ github.ref_name}}
         run: |
-          earthly --ci --output +release
+          earthly --ci --output +release --VERSION ${{ github.ref_name }}
       - name: Upload release artifacts
         uses: softprops/action-gh-release@v2
         if: ${{ startsWith(github.ref, 'refs/tags/') }}