sync(27.2): rebase emqx-OTP-27.1-2 stripped from irrelevant changes #509

Job	Run time
Event File	4s
Build Erlang/OTP (64-bit)	20m 21s
Build Erlang/OTP (iOS)	4m 46s
Build Erlang/OTP (Types and Flavors)	8m 30s
Build Erlang/OTP (32-bit)	10m 12s
Build Erlang/OTP (Windows)	15m 22s
Build Erlang/OTP (macOS)	3m 24s
Build Erlang/OTP (cross-compile)	15m 14s
Build and check documentation	5m 52s
Build Erlang/OTP (clang)	6m 5s
Run static analysis	6m 57s
Test Erlang/OTP (emulator)	48m 23s
Test Erlang/OTP (debug)	4m 52s
Test Erlang/OTP (common_test)	1h 16m 37s
Test Erlang/OTP (kernel)	1h 5m 59s
Test Erlang/OTP (mnesia)	19m 41s
Test Erlang/OTP (ssl)	30m 39s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	9m 4s
	5h 52m 2s

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