There is a new pull request by paper42 against master on the void-packages repository

https://github.com/paper42/void-packages xbps-src-no-egrep
https://github.com/void-linux/void-packages/pull/40015

xbps-src: don't use deprecated egrep
grep 3.8 now prints a warning that egrep is deprecated and we should use grep -E instead

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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/40015.patch is attached