fix: use smaller chunks in levante test

.gitlab-ci.yml

@@ -113,9 +113,9 @@ hiopy-levante:
       hc.add_time(z, "1979-01-01T00:00:00", "1979-01-01T06:00:00", 900)
       hc.add_height(z, "full_level", 47)
       hc.add_variable(z, "temp", "atmo_output", "icon_atmos_grid",
-        zaxis="full_level", chunk_shape=(8, 16, 2000))
+        zaxis="full_level", chunk_shape=(8, 16, 200))
       hc.add_variable(z, "pres", "atmo_output", "icon_atmos_grid",
-        zaxis="full_level", chunk_shape=(8, 16, 2000))
+        zaxis="full_level", chunk_shape=(8, 16, 200))
       hc.add_variable(z, "pres_sfc", "atmo_output", "icon_atmos_grid",
         chunk_shape=(1, 20))