build(deps): bump node from 20.8-bullseye-slim to 21.5-bullseye-slim in /examples/shared/node#235

dependabot[bot] wants to merge 1 commit intomasterggnaegi/envoy:masterfrom

dependabot/docker/examples/shared/node/node-21.5-bullseye-slimggnaegi/envoy:dependabot/docker/examples/shared/node/node-21.5-bullseye-slimCopy head branch name to clipboard