[DOCS] Update geo_shape breaking changes doc (#36868)
[DOCS] Update geo_shape breaking changes doc (#36868)

This updates the 6.6 breaking changes doc to include changes to geo_shape as a result of switching to lucene's new LatLonShape field.
strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,vroyer/elassandra