Update Fleet-maintained apps (#38512)

Automated ingestion of latest Fleet-maintained app data.

Co-authored-by: allenhouchins <32207388+allenhouchins@users.noreply.github.com>

ee/maintained-apps/outputs/whatsapp/darwin.json

@@ -1,14 +1,14 @@
 {
   "versions": [
     {
-      "version": "26.3.16",
+      "version": "26.3.18",
       "queries": {
         "exists": "SELECT 1 FROM apps WHERE bundle_identifier = 'net.whatsapp.WhatsApp';"
       },
-      "installer_url": "https://web.whatsapp.com/desktop/mac_native/release/?version=2.26.3.16&extension=zip&configuration=Release&branch=master&is_buck=true",
+      "installer_url": "https://web.whatsapp.com/desktop/mac_native/release/?version=2.26.3.18&extension=zip&configuration=Release&branch=master&is_buck=true",
       "install_script_ref": "dcb69802",
       "uninstall_script_ref": "1601899d",
-      "sha256": "a3886aeb419cd5186214cefe27db298f9f565a5c0db5c018a59cc65890ffcd2f",
+      "sha256": "51ead7862cc142985ef80b26d96bb8281f2e97d542178f041d0017c209e766d5",
       "default_categories": [
         "Communication"
       ]