Don't invoke vcpkg from this repo with CMAKE_TOOLCHAIN_FILE set #9149

Job	Run time
CMake clang 15 (maintainer mode, sync)	13m 57s
CMake test (with abseil)	4m 38s
CMake test (without otlp-exporter)	4m 44s
CMake clang 15 (maintainer mode, abiv2)	13m 53s
CMake clang 15 (maintainer mode, async)	14m 7s
CMake gcc 13 (maintainer mode, async)	6m 54s
CMake gcc 13 (maintainer mode, sync)	6m 36s
CMake msvc (maintainer mode)	8m 54s
CMake msvc (maintainer mode) with C++20	9m 30s
CMake test (without otlp-exporter and with async export)	4m 48s
Bazel	12m 39s
Bazel with async export	12m 5s
CMake install test (with abseil)	4m 32s
CMake test (with modern protobuf,grpc and abseil)	17m 54s
CMake do not install test (with otlp-exporter)	14m 29s
CMake test (with opentracing-shim)	4m 29s
CMake test (build shared libraries with otlp-exporter and static gRPC)	14m 8s
CMake test (with otlp-exporter)	13m 43s
CMake C++14 test(GCC)	4m 14s
CMake C++17 test(GCC)	4m 33s
CMake C++20 test(Clang with libc++)	9m 47s
CMake C++20 test(GCC)	8m 32s
CMake C++23 test(Clang with libc++)	9m 52s
CMake C++23 test(GCC)	8m 25s
Plugin -> CMake	54s
Bazel asan config	14m 34s
Bazel noexcept	11m 54s
Bazel nortti	12m 21s
Bazel on MacOS	26m 13s
Bazel tsan config	12m 41s
Bazel valgrind	13m 59s
Bazel with external abseil	12m 11s
Benchmark	7m 48s
Code coverage	11m 57s
Copyright	5s
Format	15s
CMake -> exporter proto	11m 44s
Bazel Windows	20m 46s
Plugin -> CMake Windows	6m 16s
CMake (With async export) -> exporter proto	12m 0s
CMake -> exporter proto (Build as DLL)	20m 27s
DocFX check	49s
markdown-lint	7s
misspell	4s
	7h 4m 28s

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