Server: Pin Node version to 24.22.1

Dockerfile.server

@@ -2,7 +2,7 @@
 # Build stage
 # =============================================================================
 
-FROM node:24 AS builder
+FROM node:24.22.1 AS builder
 
 RUN apt-get update \
     && apt-get install -y \
@@ -66,7 +66,7 @@ RUN --mount=type=cache,target=/build/.yarn/cache --mount=type=cache,target=/buil
 # from a smaller base image.
 # =============================================================================
 
-FROM node:24-slim
+FROM node:24.22.1-slim
 
 ARG user=joplin
 RUN useradd --create-home --shell /bin/bash $user

Dockerfile.transcribe

@@ -1,4 +1,4 @@
-FROM node:24-bookworm
+FROM node:24.22.1-bookworm
 
 RUN apt-get update \
     && apt-get install -y \