Update package.json

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: owenrumney

package.json

@@ -151,7 +151,7 @@
         "trivy.caCertPath": {
           "type": "string",
           "default": "",
-          "description": "Path to CA Cert file for Aqua Platform communication"
+          "description": "Path to CA certificate file for verifying Aqua Platform TLS connections (supports .pem, .crt, .cer, .der formats)"
         },
         "trivy.useAquaPlatform": {
           "type": "boolean",