upgrade alpine base image from v3.19.1 to v3.20.0 including upgrade of gettext-envsubst package from v0.22.3 to v0.22.5
https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=blob_plain;f=NEWS;hb=master
https://web.archive.org/web/20240524072046/https://git.alpinelinux.org/aports/commit/main/gettext?h=3.20-stable&id=43d2e11775954f0cac03358a41efd076826dd030
https://web.archive.org/web/20240524072059/https://git.alpinelinux.org/aports/commit/main/gettext?h=3.20-stable&id=c49ded5d54b708768165f7a99589464cd5c5eeee