Automatically update integration test validation results

Author: robbibt

tests/README.md

@@ -10,7 +10,7 @@ Integration tests
 
 This directory contains tests that are run to verify that DEA Intertidal code runs correctly. The ``test_intertidal.py`` file runs a small-scale full workflow analysis over an intertidal flat in the Gulf of Carpentaria using the DEA Intertidal [Command Line Interface (CLI) tools](../notebooks/Intertidal_CLI.ipynb), and compares these results against a LiDAR validation DEM to produce some simple accuracy metrics.
 
-The latest integration test completed at **2026-03-17 14:12**. Compared to the previous run, it had an:
+The latest integration test completed at **2026-03-19 13:11**. Compared to the previous run, it had an:
 - RMSE accuracy of **0.14 m ( :heavy_minus_sign: no change)**
 - MAE accuracy of **0.12 m ( :heavy_minus_sign: no change)**
 - Bias of **0.12 m ( :heavy_minus_sign: no change)**

tests/validation.csv

@@ -140,3 +140,4 @@ time,Correlation,RMSE,MAE,R-squared,Bias,Regression slope
 2026-03-10 04:10:35.949133+00:00,0.975,0.145,0.122,0.95,0.116,1.121
 2026-03-16 05:32:48.068641+00:00,0.975,0.145,0.122,0.95,0.116,1.121
 2026-03-17 03:12:10.521642+00:00,0.975,0.145,0.122,0.95,0.116,1.121
+2026-03-19 02:11:55.124933+00:00,0.975,0.145,0.122,0.95,0.116,1.121