[libcxx] Update CI picolibc version to v1.8.10#152731

vhscampos wants to merge 1 commit intollvm:mainllvm/llvm-project:mainfrom

vhscampos:update-picolibc-v1.8.10vhscampos/llvm-project:update-picolibc-v1.8.10Copy head branch name to clipboard