community/font-roboto-flex: fix checksum
Fixes error found during 3.19 rebuild: https://build.alpinelinux.org/buildlogs/build-3-19-armv7/community/font-roboto-flex/font-roboto-flex-3.200-r0.log
We are currently working on getting Alpine Linux 3.21 out. This means that merge requests that are not aimed to help with that (only affecting testing, new aports) have a lower priority at the moment. Please be patient, they will be eventually picked up.
Fixes error found during 3.19 rebuild: https://build.alpinelinux.org/buildlogs/build-3-19-armv7/community/font-roboto-flex/font-roboto-flex-3.200-r0.log