Remove Setup.hs

[andreasabel]

Commits:

• Remove Setup.hs and switch to build-type: Simple: Contains bump to 0.11.7.9
• CI: bump versions of checkout and cache actions
• CI: add GHC 9.12.1, add macos-13 for GHC 8.0 - 9.0

Further:

• It would be good to document the cabal build flags in the README.

[vshabanov]

README can include a modified version of this.

One can also use flags in cabal.project.local:

package HsOpenSSL
  flags: +use-pkg-config
-- or +macports-openssl
-- or +homebrew-openssl

[vshabanov]

It's now uploaded on Hackage