Update pygmt/helpers/caching.py

Co-authored-by: Wei Ji <23487320+weiji14@users.noreply.github.com>

Author: seisman

pygmt/helpers/caching.py

@@ -41,12 +41,12 @@ def cache_data() -> None:
         "@earth_night_01d_p",
         "@earth_relief_01d_g",
         "@earth_relief_01d_p",
-        "@earth_relief_30m_g",
-        "@earth_relief_30m_p",
-        "@earth_relief_10m_g",
-        "@earth_relief_10m_p",
         "@earth_relief_05m_g",
         "@earth_relief_05m_p",
+        "@earth_relief_10m_g",
+        "@earth_relief_10m_p",
+        "@earth_relief_30m_g",
+        "@earth_relief_30m_p",
         "@earth_synbath_01d_g",
         "@earth_vgg_01d_g",
         "@earth_vgg_30m_g",