install stack-orchestrator from release

.gitea/workflows/test.yml

@@ -9,7 +9,7 @@ on:
       - ci-test
 
 env:
-  SO_VERSION: roysc/fix-eth-stacks
+  SO_VERSION: latest
   SYSTEM_TESTS_REF: roysc/test-blob-tx
   FIXTURENET_ETH_STACKS_REF: roysc/add-ipld-eth-server
 
@@ -30,13 +30,11 @@ jobs:
         with:
           python-version: 3.11
 
-      - name: "Install stack-orchestrator"
-        uses: actions/checkout@v3
-        with:
-          repository: cerc-io/stack-orchestrator
-          ref: ${{ env.SO_VERSION }}
-          path: ./stack-orchestrator
-      - run: pip install ./stack-orchestrator
+      - name: Install stack-orchestrator
+        run: |
+          curl -L -O https://github.com/cerc-io/stack-orchestrator/releases/download/$SO_VERSION/laconic-so
+          chmod +x laconic-so
+          echo PATH="$PATH:$(pwd)" >> $GITHUB_ENV
 
       - name: "Clone system-tests"
         uses: actions/checkout@v3
@@ -62,9 +60,8 @@ jobs:
         run: docker compose -f test/compose.yml up --wait --quiet-pull
       - name: "Run tests"
         working-directory: ./system-tests
-        # Work around dependency conflicts:
-        # - web3 uses an older eth-account until (unreleased) v7
-        # - old pydantic is pinned by stack-orchestrator
+        # Work around dependency conflict in system-tests:
+        # web3 uses an older eth-account until (unreleased) v7
         run: |
           pip3 install -r requirements.txt
           pip3 install --no-deps 'eth-account>=0.12.3,<0.13'