[DOC] Fix OTLP documentation: Default endpoint is wrong for OTLP/HTTP… #9264

Job	Run time
CMake gcc 13 (maintainer mode, async)	6m 50s
CMake gcc 13 (maintainer mode, sync)	6m 41s
Bazel	12m 15s
Bazel with async export	12m 31s
CMake test (with abseil)	5m 4s
CMake clang 15 (maintainer mode, abiv2)	13m 45s
CMake clang 15 (maintainer mode, async)	13m 59s
CMake clang 15 (maintainer mode, sync)	14m 1s
CMake do not install test (with otlp-exporter)	13m 58s
CMake install test (with abseil)	4m 34s
CMake test (with modern protobuf,grpc and abseil)	19m 18s
CMake msvc (maintainer mode)	7m 52s
CMake msvc (maintainer mode) with C++20	9m 10s
CMake test (with opentracing-shim)	4m 29s
CMake test (build shared libraries with otlp-exporter and static gRPC)	13m 31s
CMake test (with otlp-exporter)	13m 53s
CMake test (without otlp-exporter)	4m 55s
CMake C++14 test(GCC)	4m 5s
CMake C++17 test(GCC)	4m 39s
CMake C++20 test(Clang with libc++)	9m 25s
CMake C++20 test(GCC)	8m 49s
CMake C++23 test(Clang with libc++)	10m 16s
CMake C++23 test(GCC)	8m 46s
CMake test (without otlp-exporter and with async export)	4m 51s
Plugin -> CMake	52s
Bazel asan config	14m 50s
Bazel noexcept	11m 44s
Bazel nortti	12m 20s
Bazel on MacOS	16m 56s
Bazel tsan config	12m 50s
Bazel valgrind	13m 14s
Bazel with external abseil	12m 22s
Benchmark	8m 22s
Code coverage	11m 24s
Copyright	6s
Format	15s
markdown-lint	35s
CMake -> exporter proto	12m 34s
Bazel Windows	22m 5s
Plugin -> CMake Windows	6m 29s
CMake (With async export) -> exporter proto	12m 27s
CMake -> exporter proto (Build as DLL)	23m 35s
DocFX check	58s
misspell	12s
	7h 1m 47s

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