[ADMIN] Add file .github/repository-settings.md #8732

Job	Run time
Bazel asan config	11m 2s
Bazel noexcept	18m 2s
Bazel nortti	21m 12s
Bazel on MacOS	27m 48s
Bazel with async export	12m 34s
Bazel tsan config	28m 32s
Bazel	19m 58s
Bazel valgrind	23m 18s
Benchmark	18m 6s
Bazel with external abseil	23m 45s
CMake test (with abseil)	7m 54s
CMake clang 14 (maintainer mode, abiv2)	13m 24s
CMake clang 14 (maintainer mode, async)	13m 20s
CMake clang 14 (maintainer mode, sync)	13m 31s
CMake do not install test (with otlp-exporter)	13m 34s
CMake gcc 12 (maintainer mode, async)	12m 57s
CMake gcc 12 (maintainer mode, sync)	7m 40s
CMake install test (with abseil)	4m 22s
CMake test (with modern protobuf,grpc and abseil)	18m 30s
CMake msvc (maintainer mode)	9m 32s
CMake test (with opentracing-shim)	8m 15s
CMake test (build shared libraries with otlp-exporter and static gRPC)	24m 36s
CMake test (without otlp-exporter)	4m 37s
CMake test (with otlp-exporter)	14m 6s
CMake C++14 test(GCC)	4m 13s
CMake C++17 test(GCC)	5m 1s
CMake C++20 test(Clang with libc++)	9m 3s
CMake C++20 test(GCC)	8m 3s
CMake test (without otlp-exporter and with async export)	4m 28s
Code coverage	11m 4s
Copyright	9s
DocFX check	41s
Format	11s
markdown-lint	9s
misspell	6s
Plugin -> CMake	1m 9s
CMake -> exporter proto	24m 29s
Bazel Windows	42m 51s
Plugin -> CMake Windows	10m 46s
CMake (With async export) -> exporter proto	17m 46s
CMake -> exporter proto (Build as DLL)	21m 11s
	8h 51m 55s

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