chore(renovate): enable security updates

Author: marcoieni

.github/renovate.json5

@@ -14,4 +14,12 @@
       enabled: false,
     },
   ],
+  // Receive any update that fixes security vulnerabilities.
+  // We need this because we disabled "patch" updates for Rust.
+  // Note: You need to enable "Dependabot alerts" in "Code security" GitHub
+  // Settings to receive security updates.
+  // See https://docs.renovatebot.com/configuration-options/#vulnerabilityalerts
+  vulnerabilityAlerts: {
+    enabled: true,
+  },
 }