Apache bRPC 1.10.0

Feature:

• Support connect on socket create (#2574) by @chenBright
• Support more meta for ServerNode (#2603) by @chenBright
• Support proxy and generic call of baidu protocol (#2629) by @chenBright
• Support thread local object iteration (#2632) by @chenBright
• Support half open state in circuit breaker (#2634) @jiangyt-git

Bugfix:

• Fix IOBuf profiler rate (#2601) by @chenBright
• Fix incorrect core file found in run_tests.sh (#2614) by @chenBright
• Fix FlatMap assign operator bug (#2622) by @chenBright
• Fix GetProgramName not contains absolute path from cmdline (#2644) by @ehds
• Fix invalid headers of multiple cookie and set-cookie (#2577) by @chenBright
• Fix max concurrency of thrift protocol and nshead protocol (#2613) by @chenBright
• fixbug: there is a ',' before 'quantile=' when labels is empty (#2659) @renzhong
• fix h2 rpc_dump mem leak bug (#2661) by @GreateCode
• socket: fix potential double close (#2663) by @BusyJay
• Fix uninitialized local side of Socket (#2672) by @chenBright
• Fix bug: switch between stream_rpc and baidu_std (#2678) by @howarle
• Fix multi FlatMap scale and size (#2669) by @chenBright

Enhancement:

• add check for tag range (#2607) by @yanglimingcn
• bthread set concurrency by tag (#2628) by @yanglimingcn
• Support SCOPE_EXIT macro (#2643) by @chenBright
• Opt performance of async log (#2602) by @chenBright
• Restrict BRPC_VALIDATE_GFLAG to global scope and namespace scope only
  (#2625) by @chenBright
• Fix comparison warning in http2_rpc_protocol.cpp (#2626) by @imdouyu
• Add virtual destructors to MongoServiceAdaptor and SpanFilter (#2651) by @yozhao
• EventDispatcher supports various IO types (#2560) by @chenBright
• Support FastPthreadMutex contention profiler && expose FastPthreadMutex to user (#2589) by @chenBright
• Reject http request without host (#2600) by @chenBright
• Support remove old rpcz directory before open (#2610) by @yanglimingcn
• Add latency scale factor (#2655) by @superhail
• Add debug log for Socket health check (#2673) by @chenBright
• Use butil::ThreadLocal to store keytable (#2645) by @MJY-HUST

Others:

• Fix ci (#2611) by @chenBright
• Update protobuf version in doc (#2618) by @chenBright