zw3rk darwin-3 toolchain issue

Updated description

darwin-3 is still paused due to toolchain errors.

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Original description

It appears that the Zw3rk Darwin runners are currently failing all jobs. For instance,

• https://gitlab.haskell.org/ghc/ghc/-/jobs/1392438
• https://gitlab.haskell.org/trac-Gabriel439/ghc/-/jobs/1390525

checking Xcode version... not found (too old?)
checking whether the C compiler works... no
configure: error: in `/private/tmp/nix-build-ghc.drv-0/ghc-9.4.4-aarch64-apple-darwin':
configure: error: C compiler cannot create executables
See `config.log' for more details
error: builder for '/nix/store/0z7065zj5ywxl08sf4maxgk8zmjlqsmn-ghc.drv' failed with exit code 77;
       last 10 log lines:
       > checking whether ln -s works... yes
       > checking for gsed... sed
       > checking for python3... no
       > checking for gfind... no
       > checking for find... /nix/store/xqxxjfcshgfapskb4mjgyr2zixv86jyb-findutils-4.9.0/bin/find
       > checking Xcode version... not found (too old?)
       > checking whether the C compiler works... no
       > configure: error: in `/private/tmp/nix-build-ghc.drv-0/ghc-9.4.4-aarch64-apple-darwin':
       > configure: error: C compiler cannot create executables
       > See `config.log' for more details
       For full logs, run 'nix log /nix/store/0z7065zj5ywxl08sf4maxgk8zmjlqsmn-ghc.drv'.
error: 1 dependencies of derivation '/nix/store/v9f0gkg2linhs464hfb56h55c2nkhrsz-toolchain.drv' failed to build