doc: move gireeshpunathil to TSC emeritus
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines
to meet the TSC membership guidelines in terms of employer representation distribution in the team.
blocked on: https://github.com/nodejs/node/pull/31725 Fixes: https://github.com/nodejs/TSC/issues/817