you have the one signed by F-Droid, that one is named “non-reproducible” as it is not signed by Proton
if you want to use the one signed by Proton, the one that is built and verified reproducible, then, uninstall current and install that one
you have the one signed by F-Droid, that one is named “non-reproducible” as it is not signed by Proton
if you want to use the one signed by Proton, the one that is built and verified reproducible, then, uninstall current and install that one