rebuild alpine image with latest 3.14 (3.14.6) because of CVE-2022-28391

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CVE-2022-28391 is fixed in busybox 1.33.1-r7 and included into alpine:3.14.6.
Currently:
docker run -it --entrypoint /bin/sh pandoc/latex:latest
/data # cat /etc/alpine-release
3.14.3
/data # ls --help
BusyBox v1.33.1 () multi-call binary.