Athenz v1.11.37 Release

What's Changed

• fix policy tags fetch + increase unit test coverage by @havetisyan in #2248
• introduce shutdown method for connection logger by @havetisyan in #2249
• introduce feature-flags system attribute for domains by @havetisyan in #2250
• support new allow service underscore feature flag by @havetisyan in #2251
• Add test for get policy by @royelbaum in #2254
• allow specifying cipher suites for the ui server via config by @abvaidya in #2252
• add set-role-description option in zms-cli by @havetisyan in #2255
• use read replica when fetching domain change list in read-only mode by @havetisyan in #2256
• support proxy auth with gcp http transport by @havetisyan in #2261

Full Changelog: v1.11.36...v1.11.37