core: revert build to use two branches (#4052)

* Revert "scripts: ghc version update (#4010)"

This reverts commit 35b7f2cb1c.

* Revert "Force include hs_init_with_rtsopts (#4028)"

This reverts commit 76a33a3743.

* Revert "core: fix nix config (#4003)"

This reverts commit f8e6a78a3b.

* Revert "ci: build armv7a with 8.10.7 in the main branches (master, stable) (#3733)"

This reverts commit 0d7a32877f.

scripts/desktop/build-lib-linux.sh

@@ -8,7 +8,7 @@ function readlink() {
 
 OS=linux
 ARCH=${1:-`uname -a | rev | cut -d' ' -f2 | rev`}
-GHC_VERSION=9.6.4
+GHC_VERSION=9.6.3
 
 if [ "$ARCH" == "aarch64" ]; then
     COMPOSE_ARCH=arm64

scripts/desktop/build-lib-mac.sh

@@ -5,7 +5,7 @@ set -e
 OS=mac
 ARCH="${1:-`uname -a | rev | cut -d' ' -f1 | rev`}"
 COMPOSE_ARCH=$ARCH
-GHC_VERSION=9.6.4
+GHC_VERSION=9.6.3
 
 if [ "$ARCH" == "arm64" ]; then
     ARCH=aarch64