Update dependency node to v22 (#28329)

renovate[bot] · web-flow · commit 7408a8361830 · 2024-10-29T15:39:34.000Z
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/.node-version b/.node-version
@@ -1 +1 @@
-20
+22
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Builder
-FROM --platform=$BUILDPLATFORM node:20-bullseye as builder
+FROM --platform=$BUILDPLATFORM node:22-bullseye as builder
 
 # Support custom branch of the js-sdk. This also helps us build images of element-web develop.
 ARG USE_CUSTOM_SDKS=false
