v0.6.0 adds a new Piko Go client and improves reliability

What's Changed

• admin: add pprof endpoints by @andydunstall in https://github.com/andydunstall/piko/pull/99
• workload: add upstream churn by @andydunstall in https://github.com/andydunstall/piko/pull/100
• workload: extend workload tooling by @andydunstall in https://github.com/andydunstall/piko/pull/101
• server: fix tls tests on mac by @andydunstall in https://github.com/andydunstall/piko/pull/102
• add auth system tests by @andydunstall in https://github.com/andydunstall/piko/pull/103
• ci: update linter version by @andydunstall in https://github.com/andydunstall/piko/pull/104
• workload: add cluster command by @andydunstall in https://github.com/andydunstall/piko/pull/105
• server: fix auth yaml config by @andydunstall in https://github.com/andydunstall/piko/pull/106
• config: add config defaults by @andydunstall in https://github.com/andydunstall/piko/pull/107
• refactor server startup by @andydunstall in https://github.com/andydunstall/piko/pull/108
• server: infer advertise address from listen address by @andydunstall in https://github.com/andydunstall/piko/pull/109
• server: fix cluster state advertise addr by @andydunstall in https://github.com/andydunstall/piko/pull/110
• add workloadv2 cluster by @andydunstall in https://github.com/andydunstall/piko/pull/111
• workloadv2 add cluster lb by @andydunstall in https://github.com/andydunstall/piko/pull/112
• gossip: fix delta encoding by @andydunstall in https://github.com/andydunstall/piko/pull/113
• server: disconnect upstream on shutdown by @andydunstall in https://github.com/andydunstall/piko/pull/114
• docs: add missing space to kubernetes docs by @maxnowack in https://github.com/andydunstall/piko/pull/116
• forward: fix forward configuration by @andydunstall in https://github.com/andydunstall/piko/pull/117
• config: test default config is valid by @andydunstall in https://github.com/andydunstall/piko/pull/118
• server: order server statup and shutdown by @andydunstall in https://github.com/andydunstall/piko/pull/115
• imports: group imports by local vs 3rd party by @andydunstall in https://github.com/andydunstall/piko/pull/119
• server: reduce gossip interval to 100ms by @andydunstall in https://github.com/andydunstall/piko/pull/120
• client: add client v2 by @andydunstall in https://github.com/andydunstall/piko/pull/121
• server: fix upstream server logger subsystem by @andydunstall in https://github.com/andydunstall/piko/pull/122
• yamux: updates yamux dependency to github.com/andydunstall/yamux by @andydunstall in https://github.com/andydunstall/piko/pull/123

Full Changelog: https://github.com/andydunstall/piko/compare/v0.5.0...v0.6.0