Update dockerfile dependencies (#4427)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| golang | stage | digest | `f23e8b2` → `f1ddd9f` |
| [node](https://redirect.github.com/nodejs/node) | final | digest |
`fb71d01` → `21f403a` |

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stacks/flow.Dockerfile

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.24@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
 
-FROM golang:1.26-alpine@sha256:f23e8b227fb4493eabe03bede4d5a32d04092da71962f1fb79b5f7d1e6c2a17f AS builder
+FROM golang:1.26-alpine@sha256:f1ddd9fe14fffc091dd98cb4bfa999f32c5fc77d2f2305ea9f0e2595c5437c14 AS builder
 # Allow build flags to be passed in at build time, for example debug flags
 ARG DEBUG_BUILD
 ENV DEBUG_BUILD=${DEBUG_BUILD}

stacks/peerdb-ui.Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1.24@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
 
 # Base stage
-FROM node:24-alpine@sha256:fb71d01345f11b708a3553c66e7c74074f2d506400ea81973343d915cb64eef0 AS base
+FROM node:24-alpine@sha256:21f403ab171f2dc89bad4dd69d7721bfd15f084ccb46cdd225f31f2bc59b5c9a AS base
 ENV TZ=UTC
 ENV NPM_CONFIG_UPDATE_NOTIFIER=false
 RUN apk add --no-cache openssl && \