added entry to update truth change log: develop dtcenter/MET#2959

.github/update_truth_change_log.txt

@@ -0,0 +1,7 @@
+[20240523_17:36:49 develop] No PR - Testing that the truth data will update even if there are no changes to the METplus repository since the last update
+[20240612_13:45:41 develop] #2610 - #2610 changed the input data for 3 short range use cases (10-12).
+[20240627_18:08:16 develop] dtcenter/MET#2921 - Re-defines azimuths definitions and corrects the logic for deriving radial and tangential winds.
+[20240801_02:56:51 develop] dtcenter/MET#2939 - Changes CDP to OCDP, for observation climo distribution percentiles.
+[20240822_16:27:31 develop] #2657 - Update 3 Python embedding scripts for 3 additional MPR data columns in Stat-Analysis
+[20240830_21:30:39 develop] dtcenter/MET#2951 - Modifies Series-Analysis output variable names for PSTD statistics by including the observation threshold string, as is done for PCT and PRC outputs.
+[20240905_15:26:09 develop] dtcenter/MET#2959 - Correct bugs in SEDI and BAGSS contingency table statistics found in the CTS line type