minecraft: bump paper to 1.16.4

Change-Id: I73e799440df07de4bb1bdd31c01d07f4db0f1e2f
diff --git a/personal/q3k/minecraft/prod.jsonnet b/personal/q3k/minecraft/prod.jsonnet
index 7c7b0ae..6c4bd4b 100644
--- a/personal/q3k/minecraft/prod.jsonnet
+++ b/personal/q3k/minecraft/prod.jsonnet
@@ -6,6 +6,7 @@
     versions:: {
         "spigot-1.16.1": "registry.k0.hswaw.net/q3k/minecraft:spigot-1.16.1-r2",
         "paper-1.16.1": "registry.k0.hswaw.net/q3k/minecraft:paper-1.16.1-r2",
+        "paper-1.16.4": "registry.k0.hswaw.net/q3k/minecraft:paper-1.16.4-r1",
     },
     server(name, version):: {
         local server = self,
@@ -202,7 +203,7 @@
     ns: kube.Namespace("minecraft"),
 
     q3k: {
-        survival: minecraft.server("q3k-survival", "paper-1.16.1") {
+        survival: minecraft.server("q3k-survival", "paper-1.16.4") {
             properties+: {
                 motd: "wypierdol z polski kropka pe el",
                 "enforce-whitelist": true,