There's a merged pull request on the void-packages repository

opera: update to 116.0.5366.71
https://github.com/void-linux/void-packages/pull/54180

Description:
#### Testing the changes
- I tested the changes in this PR: **briefly**

#### Local build testing
- I built this PR locally for my native architecture, (x86_64-glibc)
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@mobinmob could you please review the changes??
And, thanks for your time!!

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I have migrated to ffmpeg6 and it seems to work fine for me, the package itself installs the ffmpeg6 so I don't think we require ffmpeg4 anymore