There is an updated pull request by arete against master on the void-packages repository

https://github.com/arete/void-packages pgadmin3
https://github.com/void-linux/void-packages/pull/37696

pgadmin3: Use postgresql libs 9.6
Signed-off-by: Gerardo Di iorio <arete74@gmail.com>

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A patch file from https://github.com/void-linux/void-packages/pull/37696.patch is attached