chore(ci): clean up on ssl install

Author: ncrmro

Dockerfile

@@ -1,6 +1,6 @@
 FROM debian:buster-slim
 ENV APP_ENV=production
-RUN apt update && apt install libssl1.1
+RUN apt update && apt install libssl1.1 -y && rm -rf /var/lib/apt/lists/*
 RUN useradd -m pexp
 USER pexp
 COPY --from=ncrmro/rust:sqlx /usr/local/bin/sqlx /usr/local/bin/sqlx