Revert "#3713 fixed macOS_gcc10.yml brew gradle install to 6.8.3 as recommended by @kodebach"
Revert "#3713 fixed macOS_gcc10.yml brew gradle install to 6.8.3 as recommended by @kodebach"

This reverts commit 666bfb29723d502e66abde6ab875dd8f5e4c0b45.

ElektraInitiative/libelektra,mpranj/libelektra,ElektraInitiative/libelektra,mpranj/libelektra,ElektraInitiative/libelektra,ElektraInitiative/libelektra,mpranj/libelektra,mpranj/libelektra,ElektraInitiative/libelektra,petermax2/libelektra,petermax2/libelektra,ElektraInitiative/libelektra,mpranj/libelektra,petermax2/libelektra,mpranj/libelektra,mpranj/libelektra,mpranj/libelektra,mpranj/libelektra,petermax2/libelektra,petermax2/libelektra,petermax2/libelektra,petermax2/libelektra,mpranj/libelektra,petermax2/libelektra,ElektraInitiative/libelektra,ElektraInitiative/libelektra,petermax2/libelektra,mpranj/libelektra,ElektraInitiative/libelektra,ElektraInitiative/libelektra,ElektraInitiative/libelektra