Release v0.44.0

*2021-10-07*

Improvements:
- [4159](https://github.com/vegaprotocol/vega/pull/4159) - Clean-up and separate checkpoints and snapshots
- [4172](https://github.com/vegaprotocol/vega/pull/4172) - Added assetActions to banking snapshot
- [4173](https://github.com/vegaprotocol/vega/pull/4173) - Add tools and linting
- [4161](https://github.com/vegaprotocol/vega/pull/4161) - Assets snapshot implemented
- [4142](https://github.com/vegaprotocol/vega/pull/4142) - Add clef wallet
- [4160](https://github.com/vegaprotocol/vega/pull/4160) - Snapshot positions engine
- [4170](https://github.com/vegaprotocol/vega/pull/4170) - Update to latest proto and go mod tidy
- [4157](https://github.com/vegaprotocol/vega/pull/4157) - Adding IDGenerator types
- [4166](https://github.com/vegaprotocol/vega/pull/4166) - Banking snapshot
- [4133](https://github.com/vegaprotocol/vega/pull/4133) - Matching engine snapshots
- [4162](https://github.com/vegaprotocol/vega/pull/4162) - Add fields to validators genesis
- [4154](https://github.com/vegaprotocol/vega/pull/4154) - Port code to use last version of proto (layout change)
- [4141](https://github.com/vegaprotocol/vega/pull/4141) - Collateral snapshots
- [4131](https://github.com/vegaprotocol/vega/pull/4131) - Snapshot epoch engine
- [4143](https://github.com/vegaprotocol/vega/pull/4143) - Add delegation snapshot
- [4114](https://github.com/vegaprotocol/vega/pull/4114) - Document default file location
- [4130](https://github.com/vegaprotocol/vega/pull/4130) - Update proto dependencies to latest
- [4134](https://github.com/vegaprotocol/vega/pull/4134) - Checkpoints and snapshots are 2 different things
- [4121](https://github.com/vegaprotocol/vega/pull/4121) - Additional test scenarios for delegation & rewards
- [4111](https://github.com/vegaprotocol/vega/pull/4111) - Simplify nodewallet integration
- [4110](https://github.com/vegaprotocol/vega/pull/4110) - Auto delegation
- [4123](https://github.com/vegaprotocol/vega/pull/4123) - Add auto delegation to checkpoint
- [4120](https://github.com/vegaprotocol/vega/pull/4120) - Snapshot preparation
- [4060](https://github.com/vegaprotocol/vega/pull/4060) - Edge case scenarios delegation

Fixes:
- [4156](https://github.com/vegaprotocol/vega/pull/4156) - Fix filename for checkpoints
- [4158](https://github.com/vegaprotocol/vega/pull/4158) - Remove delay in reward/delegation calculation
- [4150](https://github.com/vegaprotocol/vega/pull/4150) - De-duplicate stake linkings
- [4137](https://github.com/vegaprotocol/vega/pull/4137) - Add missing key to all network parameters key map
- [4132](https://github.com/vegaprotocol/vega/pull/4132) - Send delegation events
- [4128](https://github.com/vegaprotocol/vega/pull/4128) - Simplify checkpointing for network parameters and start fixing collateral checkpoint
- [4124](https://github.com/vegaprotocol/vega/pull/4124) - Fixed non-deterministic checkpoint and added auto delegation to checkpoint
- [4118](https://github.com/vegaprotocol/vega/pull/4118) - Fixed epoch issue