[REMOVAL] Drop C++11 support #8598

Job	Run time
CMake gcc 12 (maintainer mode, async)	13m 8s
CMake gcc 12 (maintainer mode, sync)	10m 40s
CMake test (with abseil)	6m 44s
CMake clang 14 (maintainer mode, abiv2)	18m 1s
CMake clang 14 (maintainer mode, sync)	17m 3s
CMake clang 14 (maintainer mode, async)	18m 14s
CMake msvc (maintainer mode)	13m 7s
CMake test (with opentracing-shim)	7m 17s
CMake test (without otlp-exporter)	6m 36s
CMake test (without otlp-exporter and with async export)	6m 40s
Bazel	19m 28s
Bazel with async export	19m 24s
Bazel valgrind	23m 49s
Bazel with external abseil	19m 36s
CMake do not install test (with otlp-exporter)	28m 53s
CMake install test (with abseil)	6m 6s
CMake test (with modern protobuf,grpc and abseil)	27m 45s
CMake test (build shared libraries with otlp-exporter and static gRPC)	24m 54s
CMake test (with otlp-exporter)	25m 44s
CMake C++14 test(GCC)	5m 47s
CMake C++17 test(GCC)	6m 31s
CMake C++20 test(Clang with libc++)	11m 55s
CMake C++20 test(GCC)	14m 50s
Plugin -> CMake	1m 14s
Bazel asan config	15m 40s
Bazel noexcept	20m 14s
Bazel nortti	20m 15s
Bazel on MacOS	23m 25s
Bazel tsan config	24m 30s
Benchmark	12m 9s
Code coverage	13m 7s
Copyright	13s
Format	20s
markdown-lint	10s
CMake -> exporter proto	20m 6s
Bazel Windows	35m 46s
Plugin -> CMake Windows	9m 35s
CMake (With async export) -> exporter proto	23m 1s
CMake -> exporter proto (Build as DLL)	17m 53s
DocFX check	1m 19s
misspell	7s
	9h 51m 16s

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