fix(build): suppress detect-secrets false positive

Signed-off-by: Phil Adams <[email protected]>

Author: padamstx

.secrets.baseline

@@ -3,7 +3,7 @@
     "files": "package-lock.json|^.secrets.baseline$",
     "lines": null
   },
-  "generated_at": "2025-05-27T14:04:58Z",
+  "generated_at": "2025-05-30T15:41:43Z",
   "plugins_used": [
     {
       "name": "AWSKeyDetector"
@@ -123,6 +123,16 @@
         "verified_result": null
       }
     ],
+    "CHANGELOG.md": [
+      {
+        "hashed_secret": "bc2f74c22f98f7b6ffbc2f67453dbfa99bce9a32",
+        "is_secret": false,
+        "is_verified": false,
+        "line_number": 6,
+        "type": "Secret Keyword",
+        "verified_result": null
+      }
+    ],
     "ibm_cloud_sdk_core/authenticators/authenticator.py": [
       {
         "hashed_secret": "fdee05598fdd57ff8e9ae29e92c25a04f2c52fa6",