Fix sanity test steps in release action (#4418)

.github/workflows/release.yml

@@ -27,11 +27,17 @@ jobs:
         with:
           python-version: '3.13'
 
-      # As a sanity check, ensure tests pass
+      # Ensure minimal tests pass
       - name: Run tests for minimal
-        run: make test preset=minimal
+        run: |
+          cd consensus-specs
+          make test preset=minimal
+
+      # Ensure mainnet tests pass
       - name: Run tests for mainnet
-        run: make test preset=mainnet
+        run: |
+          cd consensus-specs
+          make test preset=mainnet
 
       # Add support for large files
       - name: Install Git LFS