When installing brew install graphviz, there was a problem with:
tar: Error opening archive: Failed to open ‘/Users/xxx/Library/Caches/Homebrew/downloads/348a16e5fedb24cb14fe4fd5c72caa96074c7b4e21ce4d2f7a89eb4b638c830f–gd-2.3.2.arm64_big_sur.bottle.tar.gz’
Error: Failure while executing; tar --extract --no-same-owner --file /Users/xxx/Library/Caches/Homebrew/downloads/348a16e5fedb24cb14fe4fd5c72caa96074c7b4e21ce4d2f7a89eb4b638c830f--gd-2.3.2.arm64_big_sur.bottle.tar.gz --directory /private/tmp/d20210927-26485-nzi2qo exited with 1. Here’s the output:
tar: Error opening archive: Failed to open ‘/Users/xxx/Library/Caches/Homebrew/downloads/348a16e5fedb24cb14fe4fd5c72caa96074c7b4e21ce4d2f7a89eb4b638c830f–gd-2.3.2.arm64_big_sur.bottle.tar.gz

A closer look reveals that there was a problem installing the dependency at this step: the

So, the solution: install the dependency brew install gd separately

Once done, just install graphviz again, and if the same type of error occurs again during this process, continue installing the dependency where the error occurred.