Add master to ffmpeg binary builds

[mthrok]

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[pytorch-bot]

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✅ You can merge normally! (1 Unrelated Failure)

As of commit 743f512 with merge base 639a4e9 ():

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• Integration Test / build (3.8) (gh)
  E: Failed to fetch mirror+file:/etc/apt/apt-mirrors.txt/pool/main/libs/libssh/libssh-gcrypt-4_0.9.6-2ubuntu0.22.04.1_amd64.deb 404 Not Found [IP: 40.81.13.82 80]

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