docker: add curl for HTTPS healthcheck support (#7709)

Alpine's busybox wget does not support --ca-cert, --certificate, and
--private-key options required for HTTPS healthchecks with client
certificate authentication.

Adding curl to Docker images enables proper HTTPS healthchecks.

Fixes #7707

docker/Dockerfile.foundationdb_large

@@ -77,6 +77,7 @@ LABEL author="Chris Lu"
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     ca-certificates \
+    curl \
     fuse \
     wget && \
     rm -rf /var/lib/apt/lists/*