system/perl-*: modernise

system/perl-authen-sasl/APKBUILD

system/perl-cpanel-json-xs/APKBUILD

system/perl-dbd-sqlite/APKBUILD

system/perl-dbi/APKBUILD

system/perl-digest-hmac/APKBUILD

system/perl-digest-sha1/APKBUILD

system/perl-encode-eucjpascii/APKBUILD

system/perl-encode-hanextra/APKBUILD

system/perl-encode-iso2022/APKBUILD

system/perl-encode-jisx0213/APKBUILD

system/perl-encode-locale/APKBUILD

system/perl-error/APKBUILD

system/perl-extutils-config/APKBUILD

system/perl-extutils-helpers/APKBUILD

system/perl-extutils-installpaths/APKBUILD

system/perl-file-listing/APKBUILD

system/perl-file-remove/APKBUILD

system/perl-html-parser/APKBUILD

system/perl-html-tagset/APKBUILD

system/perl-http-cookies/APKBUILD