2.6.4

Improvements

• #215: OpenTelemetry upgrade to 0.2.0-alpha.40 (Thanks @marekhanzlik)
• #229: Use SlnMerge instead of SolutionFileProecssor
• #224: Improve developer experience
• #218: Hide a invoke filter helper method in a stack trace

Fixes

• #209: Typo in MessagePack.UnityShims (Thanks @alfeg)
• #210: Fix logging configurations.
• #217: Client name is derived from original interface name without 'I' prefix. (Issue #191)
• #230: Hides generated-types from building MagicOnion service definitions. (Issue #225)