Release v0.6.0

What's Changed

• update integration app by @maxdml in #126
• Fix: Accept custom pgxpool by @vr-varad in #118
• DBOS client interface by @maxdml in #127
• Code of conduct by @maxdml in #128
• Print dbos version during DBOSContext.Initialize by @maxdml in #129
• Fix cli config file loading by @maxdml in #130
• Dedicated ClientConfig for the DBOS Client by @maxdml in #131
• make sys db schema configurable by @maxdml in #133
• Fix: Displaying masked database url during sysDB construction by @vr-varad in #132
• use custom pool for everything in systemp db by @maxdml in #134
• split CREATE SCHEMA IF NOT EXISTS query by @maxdml in #135
• Cli custom schema by @maxdml in #136
• Polish by @maxdml in #137
• Fix identity types by @maxdml in #138
• Handle conflicting executions by @maxdml in #139
• Fix conductor protocol for identity fields by @maxdml in #140
• Update readme by @maxdml in #141

Full Changelog: v0.5.6-beta...v0.6.0