build: Make libmutter-cogl-path a dependency for test-journal

Otherwise, it might trigger the actual race condition that Continuous
is running into, and access the generated enum headers before they're
created.

cogl/tests/micro-perf/meson.build

@@ -12,6 +12,7 @@ cogl_test_journal = executable('test-journal',
   dependencies: [
     cogl_deps,
     libmutter_cogl_dep,
+    libmutter_cogl_path_dep,
   ],
   install: false,
 )