FIX: deprecation

Merge pull request #2 from a1comms/DDT-2219/php8

DDT-2219 - PHP 8 Upgrade - GRPC Datastore amend

GRPCv1: Fix Null Value on Read

v4.2.7

GRPCv1 Mapper Fix: Stop on null value

GRPCv1: Fix Null Value

v4.2.6

GRPCv1: Fix Null Value

GRPCv1: Fix Empty String Value

v4.2.5

Empty String Value Error

GRPCv1: Fix autoIds

v4.2.4

Fix: extractAutoIDs Exception

GRPCv1: Fix Ancestor Queries

v4.2.3

fix ancestor queries on GRPCv1

gRPC Requirements Fix

v4.2.2

composer.json fix

Real gRPC Support

v4.2.1

Merge branch 'grpc'

gRPC

v4.2.0

Update composer.json