chore(deps): bump node in the runtime-images group across 1 directory

Bumps the runtime-images group with 1 update in the / directory: node.


Updates `node` from 22-slim to 25-slim

---
updated-dependencies:
- dependency-name: node
  dependency-version: 26-slim
  dependency-type: direct:production
  dependency-group: runtime-images
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:22-slim@sha256:53ada149d435c38b14476cb57e4a7da73c15595aba79bd6971b547ceb6d018bf
+FROM node:25-slim@sha256:81db02c4b671288a03915da9534dbd54f96d0e7c24d80ccc54f5b36b2e684370
 
 # workerd requires glibc, so use Debian slim instead of Alpine. Keep npm pinned
 # to the audited release used by consumer runtime images. The generated