build: update image(s) version

- bun: (canary) v1.3.12-canary.20260410.1, (latest) v1.3.12
- nodejs:
current: v25.9.0
krypton: v24.14.1
jod: v22.22.2
iron: v20.20.2
- distro: alpine,debian-slim,debian

Author: github-actions[bot]

versions.json

@@ -1,7 +1,7 @@
 {
   "bun": {
-    "latest": "v1.3.11",
-    "canary": "v1.3.11-canary.20260409.1"
+    "latest": "v1.3.12",
+    "canary": "v1.3.12-canary.20260410.1"
   },
   "nodejs": {
     "25": {