CI: Update target for godot-cpp after https://github.com/godotengine/godot-cpp/pull/867

.github/workflows/linux_builds.yml

@@ -215,7 +215,7 @@ jobs:
         if: ${{ matrix.godot-cpp-test }}
         run: |
           cd godot-cpp/test
-          scons target=debug
+          scons target=template_debug dev_build=yes
           cd ../..
 
       - name: Prepare artifact