Update ChangeLog with tests for tropopause_find CAM tag

doc/ChangeLog

@@ -1,4 +1,4 @@
-Tag name:
+Tag name: cam6_4_037
 Originator(s): jimmielin
 Date: Sep 30, 2024
 One-line Summary: Implementation of CCPP-compliant tropopause_find
@@ -15,15 +15,15 @@ List any changes to the defaults for the boundary datasets: N/A
 
 Describe any substantial timing or memory changes: N/A
 
-Code reviewed by:
+Code reviewed by: nusbaume, cacraigucar
 
 List all files eliminated: N/A
 
 List all files added and what they do: N/A
 
 List all existing files that have been modified, and describe the changes:
 
-Update atmos_phys external for tropopause_find:
+Update atmos_phys external for tropopause_find (tag atmos_phys0_05_000):
 M       .gitmodules
 M       bld/configure
 M       src/atmos_phys
@@ -61,23 +61,23 @@ appropriate machine below.  All failed tests must be justified.
 
 derecho/intel/aux_cam:
 
-derecho/nvhpc/aux_cam:
+  ERP_Ln9.f09_f09_mg17.FCSD_HCO.derecho_intel.cam-outfrq9s (Overall: FAIL)
+  - pre-existing failure due to HEMCO not having reproducible results issues #1018 and #856
+  note: the SMS test for FCSD_HCO may fail b4b occasionally and was resubmitted for this tag.
 
-izumi/nag/aux_cam:
+  SMS_D_Ln9_P1280x1.ne0CONUSne30x8_ne0CONUSne30x8_mt12.FCHIST.derecho_intel.cam-outfrq9s (Overall: PEND)
+  - pre-existing failures -- need fix in CLM external
 
-izumi/gnu/aux_cam:
+derecho/nvhpc/aux_cam: ALL PASS
 
-CAM tag used for the baseline comparison tests if different than previous
-tag:
+izumi/nag/aux_cam:
 
-Summarize any changes to answers, i.e.,
-- what code configurations:
-- what platforms/compilers:
-- nature of change (roundoff; larger than roundoff but same climate; new
-  climate):
+  DAE.f45_f45_mg37.FHS94.izumi_nag.cam-dae (Overall: FAIL)
+  - pre-existing failure - issue #670
 
-If bitwise differences were observed, how did you show they were no worse
-than roundoff?
+izumi/gnu/aux_cam: ALL PASS
+
+Summarize any changes to answers: bit-for-bit
 
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