[EXEMPLAR] Update ExemplarFilter and ExemplarReservoir for spec #9554

Job	Run time
CMake clang 15 (maintainer mode, async)	14m 48s
CMake clang 15 (maintainer mode, sync)	14m 49s
CMake gcc 13 (maintainer mode, async)	7m 6s
CMake gcc 13 (maintainer mode, sync)	6m 47s
CMake test (without otlp-exporter)	4m 42s
CMake test (with abseil)	4m 44s
CMake clang 15 (maintainer mode, abiv2)	14m 50s
CMake msvc (maintainer mode)	7m 18s
CMake msvc (maintainer mode) with C++20	8m 44s
CMake test (with opentracing-shim)	4m 0s
CMake C++14 test(GCC)	4m 10s
CMake test (without otlp-exporter and with async export)	4m 45s
CMake test (with modern protobuf,grpc and abseil)	18m 32s
CMake test (with otlp-exporter)	13m 55s
CMake C++17 test(GCC)	4m 37s
CMake C++20 test(Clang with libc++)	9m 54s
CMake C++20 test(GCC)	8m 29s
CMake C++23 test(GCC)	8m 32s
CMake C++23 test(Clang with libc++)	9m 15s
Bazel noexcept	12m 54s
Bazel nortti	13m 11s
Bazel	12m 56s
Bazel with async export	13m 4s
Bazel valgrind	14m 52s
Bazel with external abseil	13m 0s
CMake do not install test (with otlp-exporter)	14m 18s
CMake install test (with abseil)	4m 37s
CMake test (build shared libraries with otlp-exporter and static gRPC)	13m 39s
Plugin -> CMake	53s
Bazel asan config	15m 9s
Bazel on MacOS	10m 59s
Bazel tsan config	13m 49s
Benchmark	8m 24s
Code coverage	12m 0s
Copyright	6s
DocFX check	54s
Format	13s
markdown-lint	11s
misspell	4s
shellcheck	8s
CMake -> exporter proto	12m 59s
Bazel Windows	21m 49s
Plugin -> CMake Windows	6m 22s
CMake (With async export) -> exporter proto	11m 44s
CMake -> exporter proto (Build as DLL)	27m 50s
	7h 6m 2s

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