fix: ghar fix

Author: Tom Brandenburg

.github/workflows/core-opencode-run.yml

@@ -69,6 +69,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
       - name: Setup and Install OpenCode
         run: |
           # Add OpenCode to PATH first