chore: use pnpm instead of npm

.devcontainer/server/container-start-backend.sh

@@ -10,8 +10,9 @@ cd "${IMMICH_WORKSPACE}/server" || (
     exit 1
 )
 
+CI=1 pnpm install
 while true; do
-    run_cmd node ./node_modules/.bin/nest start --debug "0.0.0.0:9230" --watch
+    run_cmd pnpm exec nest start --debug "0.0.0.0:9230" --watch
     log "Nest API Server crashed with exit code $?.  Respawning in 3s ..."
     sleep 3
 done

.devcontainer/server/container-start-frontend.sh

@@ -16,7 +16,7 @@ until curl --output /dev/null --silent --head --fail "http://127.0.0.1:${IMMICH_
 done
 
 while true; do
-    run_cmd node ./node_modules/.bin/vite dev --host 0.0.0.0 --port "${DEV_PORT}"
+    run_cmd pnpm exec vite dev --host 0.0.0.0 --port "${DEV_PORT}"
     log "Web crashed with exit code $?.  Respawning in 3s ..."
     sleep 3
 done