[EXEMPLAR] Update ExemplarFilter and ExemplarReservoir for spec #9397

Job	Run time
CMake gcc 13 (maintainer mode, sync)	4m 23s
CMake clang 15 (maintainer mode, abiv2)	9m 17s
CMake clang 15 (maintainer mode, async)	9m 15s
CMake clang 15 (maintainer mode, sync)	9m 21s
CMake gcc 13 (maintainer mode, async)	5m 3s
CMake msvc (maintainer mode)	5m 46s
CMake msvc (maintainer mode) with C++20	7m 19s
CMake test (without otlp-exporter)	3m 46s
CMake test (with abseil)	4m 28s
CMake do not install test (with otlp-exporter)	10m 39s
CMake test (with modern protobuf,grpc and abseil)	14m 34s
CMake test (with opentracing-shim)	2m 1s
CMake test (build shared libraries with otlp-exporter and static gRPC)	10m 10s
CMake test (with otlp-exporter)	10m 10s
CMake C++14 test(GCC)	3m 52s
CMake C++17 test(GCC)	4m 25s
CMake C++20 test(Clang with libc++)	3m 55s
CMake C++20 test(GCC)	3m 19s
CMake C++23 test(Clang with libc++)	3m 54s
CMake C++23 test(GCC)	3m 16s
CMake test (without otlp-exporter and with async export)	4m 0s
Bazel asan config	1m 38s
Bazel noexcept	8m 21s
Bazel nortti	8m 46s
Bazel on MacOS	11m 42s
Bazel	5m 7s
Bazel with async export	7m 44s
Bazel tsan config	1m 45s
Bazel valgrind	9m 32s
Bazel with external abseil	3m 52s
Benchmark	1m 11s
CMake install test (with abseil)	3m 55s
Copyright	6s
Plugin -> CMake	50s
CMake -> exporter proto	9m 38s
Format	22s
Code coverage	2m 52s
DocFX check	32s
markdown-lint	11s
misspell	7s
Bazel Windows	15m 28s
Plugin -> CMake Windows	5m 1s
CMake (With async export) -> exporter proto	9m 9s
CMake -> exporter proto (Build as DLL)	22m 49s
	4h 23m 31s

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