docker: add tzdata installation to Dockerfiles for timezone support

meet-ce/docker/Dockerfile

@@ -84,7 +84,7 @@ ARG PNPM_VERSION=10.18.3
 ENV PNPM_VERSION=${PNPM_VERSION}
 
 # Install bash (required by meet.sh which uses bash arrays)
-RUN apk add --no-cache bash
+RUN apk add --no-cache bash tzdata
 
 # Install pnpm
 RUN corepack enable && corepack prepare pnpm@${PNPM_VERSION} --activate

meet-demo/deployment/Dockerfile

@@ -1,5 +1,8 @@
 FROM node:22-alpine
 
+# Install tzdata package for timezone data
+RUN apk add --no-cache tzdata
+
 WORKDIR /app
 
 # Copy package files and install dependencies