(cherry picked from commit 022571489a0f94ed54a0908167b553592cfe3277)

cask/exceptions: fix super calls.

Ensure that we always pass no arguments here.

utils/pypi: add salt to blocklist

License style cleanup

Consistently use HOMEBREW_RUBY_WARNINGS when calling ruby

audit: add CERT_ERROR_ALLOWLIST

Refactor and document `PkgVersion`.

cask/artifact/symlinked: do not overwrite files or symbolic links

extend/os/mac: install svn on catalina and newer

cmd/update-report: fix output of new casks

Adding this in `dev-cmd/ruby.rb` allows us to suppress warnings like:
```
/home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/language/python.rb:8: warning: Insecure world writable dir /home/linuxbrew/.linuxbrew/Homebrew/Library/Homebrew/shims/scm in PATH, mode 040777
```

prof: improve `brew prof` functionality.

- Add `--stackprof` to allow using stackprof
- Use the latest version of `ruby-prof`
- Automatically open the generated HTML output

cmd/update-report: consistency across formulae and casks

Refactor and document `Options`.

Refactor and document `Language::Python`.

audit: return if no github license were found

Co-authored-by: Rylan Polster <rslpolster@gmail.com>

Fix missing methods in cask DSL.

utils/repology.rb: fix "String can't be coerced into Integer"

os: add `kernel_version`

Switch `greedy` argument to a keyword

utils/github: add `forked_repo_info!`

audit: allow AND and WITH in licenses

The `greedy` parameter was switched to a keyword parameter in
3a91c37e but this call wasn't updated
accordingly.