Minor workflow refactoring

Author: asherikov

.github/workflows/main.yml

@@ -2,8 +2,8 @@ on: [push, pull_request]
 
 jobs:
     tests:
-        uses: asherikov/sharf/.github/workflows/test.yaml@main
+        uses: asherikov/sharf/.github/workflows/test.yaml@as_workspace2
         with:
-            sharf_ref: main
-            package_url: ${{ github.server_url }}/${{ github.repository }}.git
+            sharf_ref: as_workspace2
+            package_github_name: ${{ github.repository }}
             package_version: ${{ github.sha }}