Release v2.0.3 · tikv/client-go

What's Changed

tikv: skip 0 when call getMinSafeTSByStores by @Defined2014 in #615
util: update GCTimeFormat to be the same as the value stored in PD by @Defined2014 in #616
txn: add txn_source field in txn by @xiongjiwei in #617
txn: make txn_source be u64 type by @xiongjiwei in #618
fix: avoid data race when setting memdb footprint hook by @ekexium in #621
fix data race in test by @hawkingrei in #624
fix data race at the memChangeHook by @hawkingrei in #625
go.mod: update kvproto to adapt flashback by @Defined2014 in #626
Add aggressive-locking mechanism and support locking with conflict by @MyonKeminta in #528
precompute min safe ts by @hihihuhu in #622
fix: do not call onMemChange in alloc by @ekexium in #632
don't call onMemChange before all work is done in memdb by @ekexium in #636

Full Changelog: v2.0.2...v2.0.3