Bump actions/attest-build-provenance from 3 to 4 - #2

buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c apk add --no-cache adwaita-icon-theme ca-certificates dbus dbus-x11 font-dejavu gtk+3.0 libcap libpcap libssh2 lua5.4 openbox openssl pcre2 py3-gobject3 py3-pip novnc python3 shared-mime-info su-exec websockify x11vnc xvfb zlib && addgroup -g 1000 zenmap && adduser -D -u 1000 -G zenmap -h /config zenmap && mkdir -p /config/scans /run/dbus && curl --fail --location --proto '=https' --tlsv1.2 \"https://nmap.org/dist/zenmap-${NMAP_VERSION}-py3-none-any.whl\" -o /tmp/zenmap.whl && if [ -n \"$ZENMAP_WHEEL_SHA256\" ]; then echo \"$ZENMAP_WHEEL_SHA256 /tmp/zenmap.whl\" | sha256sum -c -; fi && pip3 install --break-system-packages --no-cache-dir --no-deps /tmp/zenmap.whl && rm -f /tmp/zenmap.whl && ln -sf vnc.html /usr/share/novnc/index.html" did not complete successfully: exit code: 127

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: docker/build-push-action@v6, docker/metadata-action@v5, docker/setup-buildx-action@v3, docker/setup-qemu-action@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

No Docker tag has been generated. Check tags input.