buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -ex; \tapk add --no-cache --virtual .fetch-deps \t\tgnupg \t; \t\tcurl -o ***mail.tar.gz -fSL https://github.com/***/***mail/releases/download/${ROUNDCUBEMAIL_VERSION}/***mail-${ROUNDCUBEMAIL_VERSION}-complete.tar.gz; \tcurl -o ***mail.tar.gz.asc -fSL https://github.com/***/***mail/releases/download/${ROUNDCUBEMAIL_VERSION}/***mail-${ROUNDCUBEMAIL_VERSION}-complete.tar.gz.asc; \texport GNUPGHOME=\"$(mktemp -d)\"; \techo \"disable-ipv6\" > \"$GNUPGHOME/dirmngr.conf\"; \tcurl -fSL https://***.net/download/pubkey.asc -o /tmp/pubkey.asc; \tLC_ALL=C.UTF-8 gpg -n --show-keys --with-fingerprint --keyid-format=long /tmp/pubkey.asc | if [ $(grep -c -o 'Key fingerprint') != 1 ]; then echo 'The key file should contain only one GPG key'; exit 1; fi; \tLC_ALL=C.UTF-8 gpg -n --show-keys --with-fingerprint --keyid-format=long /tmp/pubkey.asc | if [ $(grep -c -o \"${ROUNDCUBEMAIL_KEYID}\") != 1 ]; then echo 'The key ID should be the *** one'; exit 1; fi; \tgpg --batch --import /tmp/pubkey.asc; \trm /tmp/pubkey.asc; \tgpg --batch --verify ***mail.tar.gz.asc ***mail.tar.gz; \tgpgconf --kill all; \tmkdir /usr/src/***mail; \ttar -xf ***mail.tar.gz -C /usr/src/***mail --strip-components=1 --no-same-owner; \trm -r \"$GNUPGHOME\" ***mail.tar.gz.asc ***mail.tar.gz; \trm -rf /usr/src/***mail/installer; \tchown -R www-data:www-data /usr/src/***mail/logs; \tapk del .fetch-deps" did not complete successfully: exit code: 2

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/