chore(deps): update docker.io/gotenberg/gotenberg docker tag to v8.16.0

Author: renovate[bot]

hosts/artemis/applications/paperless.nix

@@ -45,7 +45,7 @@ in
 
   virtualisation.oci-containers.containers.gotenberg = {
     user = "gotenberg:gotenberg";
-    image = "docker.io/gotenberg/gotenberg:8.7.0";
+    image = "docker.io/gotenberg/gotenberg:8.16.0";
     cmd = [ "gotenberg" "--chromium-disable-javascript=true" "--chromium-allow-list=file:///tmp/.*" ];
     ports = [
       "127.0.0.1:${gotenbergPort}:3000"