test-9.12: Binaries CI: stop cross-compiling Windows binary

see the linked GH issue

We also add an index-state such that the non-Nix cabal build plan is
reproducible.

test-9.10

ghc-lib-parser 9.10

test-release-new

Use Nix platform identifiers for release binaries

test-9.8

ghc-lib-parser 9.8

test-9.6

Test CI

test-macos-fix-1

Test CI

test-bin-4

wip

test-bin-3

wip

test-bin-1

Use `Text` as formatting input

test-flakeify

Flakeify