switch brpc dependency in bzlmod to bcr #430

Job	Run time
aarch64	1m 0s
cpp14-coroutine	41s
basic-gcc-c++20-stdlibc++-asan	41s
basic-gcc-c++20-stdlibc++-tsan	51s
basic-gcc-c++14-stdlibc++-asan	43s
arenastring-gcc-stdlibc++-default	31s
cmake	1m 1s
arenastring-gcc-stdlibc++-half	46s
arenastring-gcc-stdlibc++-full	45s
basic-clang-c++20-stdlibc++-asan	46s
arenastring-clang-stdlibc++-default	37s
basic-clang-c++20-stdlibc++-tsan	1m 3s
coverage	48s
arenastring-clang-libc++-default	45s
basic-clang-c++20-libc++-asan	36s
basic-clang-c++20-libc++-tsan	44s
workspace	37s
basic-clang-c++14-stdlibc++-asan	36s
basic-clang-c++14-libc++-asan	38s
	14m 9s

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