- Minor updates to all Dockerfiles

- Remove docs after installation
- https://gitlab.haskell.org/ghc/ghc/-/issues/20077

- Move cabal to /usr/local/bin

- Revert back to LLVM v14 as backend

- Revert back to LLVM v14 as backend
  - Use supported LLVM versions (even numbers) if possible
  - Only use unsupported LLVM version if forced by base image upgrade

- Use GHC 9.4.6 for bootstrapping
- Check Dockerfiles with hadolint. Ignored rules:
  - DL3003: Use WORKDIR to switch to a directory.
  - DL3018: Pin versions in apk add.

- Use GHC 9.2.8 for bootstrapping
- Update base image to alpine:3.18

- Update base image to alpine:3.18; Use LLVM v16

- Use GHC 9.4.5 for bootstrapping

- Add service alias

- Use LLVM v14

- Add constraint for Cabal-syntax