Update to Node 22, use bcryptjs for better compatibility

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20-alpine
+FROM node:22-alpine
 
 # Install dumb-init for proper signal handling
 RUN apk add --no-cache dumb-init

server/utils/auth.ts

@@ -1,4 +1,4 @@
-import bcrypt from 'bcrypt'
+import bcrypt from 'bcryptjs'
 import { SignJWT, jwtVerify } from 'jose'
 import { getDatabase } from './database'