build: switch to Node 22

Node 20 is still supported. The idea is to use the same version of Node
as in Debian Unstable, since that's what I usually test.

.github/workflows/ci.yml

@@ -290,7 +290,7 @@ jobs:
         exclude:
           - dependabot: go_modules
         include:
-          - node-version: 20
+          - node-version: 22
     steps:
       - uses: actions/checkout@v6
         with:

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM node:20-alpine AS build-js
+FROM --platform=$BUILDPLATFORM node:22-alpine AS build-js
 RUN apk add --no-cache make
 WORKDIR /build
 COPY console/frontend console/frontend

flake.nix

@@ -18,7 +18,7 @@
           inherit system;
         };
         l = builtins // pkgs.lib;
-        nodejs = pkgs.nodejs_20;
+        nodejs = pkgs.nodejs_22;
         pnpm = pkgs.pnpm_10;
         go = pkgs.go_latest;
         frontend = pkgs.stdenvNoCC.mkDerivation rec {