LLVM repository does not contain any Bolt binaries

[marekkrk]

bazel query "@@toolchains_llvm++llvm+llvm_toolchain//:*" | grep bin                                                                                                                                    
Loading: 0 packages loaded
@llvm_toolchain//:bin
@llvm_toolchain//:bin/cc_wrapper.sh
@llvm_toolchain//:bin/clang-cpp
@llvm_toolchain//:bin/clang-format
@llvm_toolchain//:bin/clang-tidy
@llvm_toolchain//:bin/clangd
@llvm_toolchain//:bin/ld.lld
@llvm_toolchain//:bin/llvm-ar
@llvm_toolchain//:bin/llvm-cov
@llvm_toolchain//:bin/llvm-dwp
@llvm_toolchain//:bin/llvm-nm
@llvm_toolchain//:bin/llvm-objcopy
@llvm_toolchain//:bin/llvm-objdump
@llvm_toolchain//:bin/llvm-profdata
@llvm_toolchain//:bin/llvm-strip

Regular LLVM releases downloaded from GitHub contain bolt binaries.