Track Windows OOM

NB, this branch is rooted in wip/flake.

Examples of spurious failures this will handle:

• https://gitlab.haskell.org/ghc/ghc/-/jobs/1255653
• https://gitlab.haskell.org/ghc/ghc/-/jobs/1248315
• https://gitlab.haskell.org/ghc/ghc/-/jobs/1246500
• https://gitlab.haskell.org/ghc/ghc/-/jobs/1239744