[EXPORTER] Set is_monotonic flag for Observable Counters #8985

Job	Run time
CMake clang 14 (maintainer mode, sync)	13m 54s
CMake gcc 12 (maintainer mode, async)	7m 43s
CMake gcc 12 (maintainer mode, sync)	7m 57s
CMake test (without otlp-exporter)	4m 55s
CMake clang 14 (maintainer mode, abiv2)	13m 37s
CMake clang 14 (maintainer mode, async)	13m 55s
CMake msvc (maintainer mode)	7m 18s
CMake msvc (maintainer mode) with C++20	7m 57s
CMake test (without otlp-exporter and with async export)	4m 48s
CMake test (with abseil)	4m 46s
CMake do not install test (with otlp-exporter)	13m 40s
CMake install test (with abseil)	4m 11s
CMake test (with modern protobuf,grpc and abseil)	18m 0s
CMake test (with opentracing-shim)	3m 59s
CMake test (build shared libraries with otlp-exporter and static gRPC)	14m 10s
CMake test (with otlp-exporter)	14m 13s
CMake C++17 test(GCC)	4m 50s
CMake C++14 test(GCC)	4m 26s
CMake C++20 test(Clang with libc++)	9m 19s
CMake C++20 test(GCC)	8m 19s
Bazel asan config	14m 55s
Bazel nortti	12m 7s
Bazel	12m 35s
Bazel with async export	12m 53s
Bazel noexcept	11m 30s
Bazel tsan config	12m 43s
Bazel valgrind	14m 10s
Bazel with external abseil	12m 20s
Plugin -> CMake	1m 6s
Bazel on MacOS	14m 54s
Benchmark	7m 52s
Code coverage	11m 44s
Copyright	5s
Format	13s
markdown-lint	7s
misspell	4s
CMake -> exporter proto	11m 49s
Bazel Windows	19m 12s
Plugin -> CMake Windows	6m 18s
CMake (With async export) -> exporter proto	11m 52s
CMake -> exporter proto (Build as DLL)	12m 48s
DocFX check	57s
	6h 24m 11s

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