update ATT&CK v17.1

Author: adpare

CHANGELOG.md

@@ -1,3 +1,10 @@
+# v4.2.3 (2025-05-06)
+
+## Features
+
+* Release ATT&CK content version 17.1.
+  See detailed changes [here](https://github.com/mitre/cti/releases/tag/ATT%26CK-v17.1).
+
 # v4.2.2 (2025-04-22)
 
 ## Features

data/versions.json

@@ -1,9 +1,9 @@
 {
     "current": {
-        "name": "v17.0",
+        "name": "v17.1",
         "date_start": "April 22, 2025",
         "changelog": "updates-april-2025",
-        "cti_url": "https://github.com/mitre/cti/releases/tag/ATT%26CK-v17.0"
+        "cti_url": "https://github.com/mitre/cti/releases/tag/ATT%26CK-v17.1"
     },
     "previous": [
         {