tools: always use a trailing comma in arrays
This makes sure all arrays in /lib end with a comma to prevent future churn. Other options are set as before to minimize the change.
Something like this just came up in a review and I guess it is indeed a good idea to slowly migrate to a code base that has trailing commas.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines