use repo latest commits

Author: ahgamut

scripts/get-mx-repo.bash

@@ -21,7 +21,7 @@ main () {
     rm -rf mx
 
     # mx is needed for building graal repo
-    git clone --depth=1 --branch 7.68.11 https://github.com/graalvm/mx
+    git clone --depth=1 https://github.com/graalvm/mx
     cd mx
     git config user.name gautham
     git config user.email gautham@elide.dev

scripts/patch-cosmo-repo.bash

@@ -22,7 +22,7 @@ main () {
 
     if [ ! -d "cosmopolitan" ]; then
         rm -rf cosmopolitan
-        git clone --depth=1 --branch=header-stubs https://github.com/ahgamut/cosmopolitan
+        git clone --depth=1 https://github.com/jart/cosmopolitan
     fi
     cd cosmopolitan
     ls /proc/sys/fs/binfmt_misc/