ci: upgrade agstoolbox to 0.5.7

fix working with AGS 4.0.0.20 and forward projects

Author: ericoporto

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
 
       - name: gets ags-toolbox
         run: |
-          curl -Lo atbx.exe https://github.com/ericoporto/agstoolbox/releases/download/0.5.6/atbx.exe
+          curl -Lo atbx.exe https://github.com/ericoporto/agstoolbox/releases/download/0.5.7/atbx.exe
           echo "${{github.workspace}}" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
 
       - name: Install AGS 3