[EXPORTER] prometheus: add otel_scope_name and otel_scope_version labels #8557

Job	Run time
Bazel asan config	11m 7s
Bazel nortti	24m 31s
Bazel noexcept	18m 32s
Bazel on MacOS	27m 30s
Bazel	19m 37s
Bazel with async export	23m 46s
Bazel tsan config	19m 57s
Bazel valgrind	23m 21s
Bazel with external abseil	22m 22s
Benchmark	11m 55s
CMake test (with abseil)	8m 12s
CMake clang 14 (maintainer mode, async)	16m 56s
CMake clang 14 (maintainer mode, sync)	17m 28s
CMake do not install test (with otlp-exporter)	26m 4s
CMake gcc 4.8 (with otlp exporter)	16m 29s
CMake gcc 4.8 (without otlp exporter)	6m 56s
CMake gcc 12 (maintainer mode, async)	10m 58s
CMake gcc 12 (maintainer mode, C++11, async)	10m 36s
CMake gcc 12 (maintainer mode, sync)	10m 51s
CMake install test (with abseil)	8m 40s
CMake test (with modern protobuf,grpc and abseil)	29m 21s
CMake msvc (maintainer mode)	10m 25s
CMake test (with opentracing-shim)	6m 17s
CMake test (build shared libraries with otlp-exporter and static gRPC)	22m 5s
CMake test (with otlp-exporter)	24m 52s
CMake test (without otlp-exporter)	7m 58s
CMake C++20 test(Clang with libc++)	11m 52s
CMake C++20 test(GCC)	12m 49s
Code coverage	13m 31s
CMake test (without otlp-exporter and with async export)	10m 2s
Copyright	6s
DocFX check	1m 13s
Format	21s
markdown-lint	7s
misspell	5s
Plugin -> CMake	1m 9s
CMake -> exporter proto	19m 43s
Bazel Windows	36m 42s
Plugin -> CMake Windows	12m 10s
CMake (With async export) -> exporter proto	25m 36s
CMake -> exporter proto (Build as DLL)	17m 41s
	9h 59m 53s

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