Update the copyright symbols in README.rst (GH-25514)

Updated a couple copyright symbols from (c) to ©

The rest of the doc are already using ©

Co-authored-by: Mariatta Wijaya <Mariatta@users.noreply.github.com>

MishManners®™ committed 4y ago

965be0e940649c851807b9936bf56fb668600f1f

Parent: ad4e8d2

Committed by GitHub <noreply@github.com> on 2/14/2022, 9:40:19 PM