fix: bump Splunk version (#180)

Tested here: 

- [x]
https://github.com/splunk/splunk-add-on-for-cisco-esa/actions/runs/12086518758/job/33705979121?pr=455
- [x]
https://github.com/splunk/splunk-add-on-for-salesforce/actions/runs/12086465276/job/33705965109?pr=706

config/splunk_matrix.conf

@@ -3,8 +3,8 @@ LATEST = 9.3
 OLDEST = 9.1
 
 [9.3]
-VERSION = 9.3.1
-BUILD = 0b8d769cb912
+VERSION = 9.3.2
+BUILD = d8bb32809498
 SUPPORTED = 2026-07-24
 PYTHON3 = true
 PYTHON2 = false
@@ -13,8 +13,8 @@ METRICS_MULTI = true
 INPUT_LOOKUP = true
 
 [9.2]
-VERSION = 9.2.3
-BUILD = 282efff6aa8b
+VERSION = 9.2.4
+BUILD = c103a21bb11d
 SUPPORTED = 2026-01-31
 PYTHON3 = true
 PYTHON2 = false
@@ -23,8 +23,8 @@ METRICS_MULTI = true
 INPUT_LOOKUP = true
 
 [9.1]
-VERSION = 9.1.6
-BUILD = a28f08fac354
+VERSION = 9.1.7
+BUILD = e17104057ef0
 SUPPORTED = 2025-06-28
 PYTHON3 = true
 PYTHON2 = false