Remove apalis + redis => use postgresql instead

.devcontainer/Dockerfile

@@ -15,8 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     cmake \
     pkg-config \
     clang \
-    valkey-server \
-    valkey-tools \
+    postgresql \
     && rm -rf /var/lib/apt/lists/*
 
 RUN groupadd --gid ${USER_GID:-1000} $USERNAME \