Downgrade earthkit-plots to v0.2.8

Author: juntyr

venv/requirements.txt

@@ -65,8 +65,8 @@ earthkit-data == 0.13.8
 earthkit-geo == 0.3.0
 earthkit-hydro == 0.1.3
 earthkit-meteo == 0.3.0
-earthkit-plots == 0.3.1
-earthkit-plots-default-styles == 0.1.0
+earthkit-plots == 0.2.8
+earthkit-plots-default-styles == 0.0.1
 earthkit-regrid == 0.4.0
 earthkit-time == 0.1.7
 earthkit-transforms == 0.4.0