testing/*: rebuild with go 1.18

testing/6cord/APKBUILD

testing/acmetool/APKBUILD

testing/alpine-lift/APKBUILD

testing/antibody/APKBUILD

testing/apko/APKBUILD

testing/aports-glmr/APKBUILD

testing/bettercap/APKBUILD

testing/blackbox_exporter/APKBUILD

testing/blocky/APKBUILD

testing/bombadillo/APKBUILD

testing/booster/APKBUILD

testing/boringproxy/APKBUILD

testing/btcd/APKBUILD

testing/cfssl/APKBUILD

testing/chathistorysync/APKBUILD

testing/clash/APKBUILD

testing/cliphist/APKBUILD

testing/clipman/APKBUILD

testing/cloudflared/APKBUILD

testing/cloudfoundry-cli/APKBUILD