v0.49.2: Release version 0.49.2

2022-03-10

Improvements:

• 4951 - Add ability to stream events to a file
• 4953 - Add block hash to statistics and to block height request
• 4961 - Extend auction feature tests
• 4832 - Add validation of update market proposals.

Fixes:

• 4947 - Fix time formatting problem that was breaking consensus on nodes in different time zones
• 4956 - Fix concurrent write to price monitoring ref price cache
• 4957 - Fix vega announce_node to work with --home and --passphrase-file
• 4964 - Fix price monitoring snapshot