Update yt-dlp to 2026.07.04 from 2026.06.09 - #656

buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c CONFIG=/src/ydls.json TEST_EXTERNAL=1 go test -timeout=30m -buildvcs=false -v -cover $([ \"$TARGETARCH\" = \"amd64\" ] && echo -race) ./..." did not complete successfully: exit code: 1

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@v3, docker/login-action@v2, docker/metadata-action@v4, docker/setup-buildx-action@v2, docker/setup-qemu-action@v2. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

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