Add HTTPie 2022.12.0

[moonfruit]

Important: Do not tick a checkbox if you haven’t performed its action. Honesty is indispensable for a smooth review process.

In the following questions <cask> is the token of the cask you're submitting.

After making all changes to a cask, verify:

• [x] The submission is for a stable version or documented exception.
• [x] brew audit --cask --online <cask> is error-free.
• [x] brew style --fix <cask> reports no offenses.

Additionally, if adding a new cask:

• [x] Named the cask according to the token reference.
• [x] Checked the cask was not already refused.
• [x] Checked the cask is submitted to the correct repo.
• [ ] brew audit --new-cask <cask> worked successfully.
• [x] brew install --cask <cask> worked successfully.
• [x] brew uninstall --cask <cask> worked successfully.

There is already a httpie in homebrew-core, but that is a command-line program, and this is a desktop wrapper for it.