In order to upload a new dsymutil package to CIPD, do the following:
For arch in Mac, Mac_arm64:
1. Find a recent dsymutil tarball: http://commondatastorage.googleapis.com/chromium-browser-clang-staging/index.html?path=$arch/
For example:
$ rev=llvmorg-15-init-6872-gc9bea517-1
2. Download, unzip into src/tools/clang/dsymutil
$ cd tools/clang/dsymutil
$ curl -O http://commondatastorage.googleapis.com/chromium-browser-clang-staging/$arch/dsymutil-$rev.tgz
$ tar -zxvf dsymutil-$rev.tgz
3. Upload to GCS
$ upload_to_google_storage.py -b chromium-browser-clang bin/dsymutil
$ cp bin/dsymutil.sha1 bin/dsymutil.arm64.sha1 # ...or bin/dsymutil.x64.sha1