build: update image(s) version

- bun: (canary) v1.3.4-canary.20251207.1, (latest) v1.3.4
- nodejs:
current: v25.2.1
krypton: v24.11.1
jod: v22.21.1
iron: v20.19.6
- distro: alpine,debian-slim,debian

Author: github-actions[bot]

versions.json

@@ -1,7 +1,7 @@
 {
   "bun": {
-    "latest": "v1.3.3",
-    "canary": "v1.3.3-canary.20251206.1"
+    "latest": "v1.3.4",
+    "canary": "v1.3.4-canary.20251207.1"
   },
   "nodejs": {
     "25": {