Use bootstrap project in bootstrapping

We need to use the cabal.bootstrap.project file to generate the bootstrap plans, otherwise we try to include test components when bootstrapping, which is not useful (and significantly complicates bootstrapping).

bootstrap/generate_bootstrap_plans

@@ -10,7 +10,7 @@ run() {
   local drv="ghc-$ver"
   echo "$ver"
   nix build -f "$ghcs_nix" $drv
-  (cd ../; rm -r dist-bootstrap; cabal --distdir=dist-bootstrap build --project-file=cabal.release.project --dry-run cabal-install:exe:cabal -w bootstrap/result/bin/ghc)
+  (cd ../; rm -r dist-bootstrap; cabal --distdir=dist-bootstrap build --project-file=cabal.bootstrap.project --dry-run cabal-install:exe:cabal -w bootstrap/result/bin/ghc)
   jq --sort-keys < ../dist-bootstrap/cache/plan.json > "plan-$ver.json"
   cabal run --with-ghc-pkg $PWD/boot_ghc/bin/ghc-pkg -w $PWD/boot_ghc/bin/ghc -v0 cabal-bootstrap-gen -- "plan-$ver.json" | jq --sort-keys | tee "linux-$(echo $ver | tr "_" ".").json"
 }