lib: nghttp2: CMakeLists.txt: do not require a CXX compiler#9816

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ThomasDevoogdt:bugfix/workflows-nghttp2-cmake-do-not-require-a-cxx-compilerThomasDevoogdt/fluent-bit:bugfix/workflows-nghttp2-cmake-do-not-require-a-cxx-compilerCopy head branch name to clipboard