Update FFmpeg dependency to resolve CVE-2023-46407, CVE-2023-47470

Issue:

There are 2 current CVEs in the ffmpeg-6.0.1-r1 binary shipped in the current alpine edge community distributions.

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-46407 which was resolved in FFmpeg commit https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-47470 which was resolved in FFmpeg commiithttps://github.com/FFmpeg/FFmpeg/commit/4565747056a11356210ed8edcecb920105e40b60

Resolution:

Update the FFmpeg dependencies to version 6.1, which released on 2023/11/11.

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