chg: install ca certificate

Author: nicokant

Dockerfile

@@ -1,4 +1,8 @@
-FROM ghcr.io/prefix-dev/pixi:latest
+FROM ghcr.io/prefix-dev/pixi:bullseye
+
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt-get update && apt-get install -y ca-certificates
 
 WORKDIR /app