Increase time period for cloud scatterplots

Author: bouweandela

scripts/fetch_test_data.py

@@ -235,7 +235,7 @@ def process_sample_data_request(
             experiment_id="historical",
         ),
         remove_ensembles=True,
-        time_span=("2007", "2014"),
+        time_span=("1996", "2014"),
     ),
     Obs4MIPsRequest(
         id="esmvaltool-cloud-scatterplots-obs4mips",