Compile only x64 for now

Author: jacereda

.github/workflows/build.yml

@@ -17,11 +17,11 @@ jobs:
       matrix:
         target: [
           x86_64, x86_64-static,
-          i686, i686-static,
-          arm, arm-static,
-          aarch64, aarch64-static,
+#          i686, i686-static,
+#          arm, arm-static,
+#          aarch64, aarch64-static,
 #          powerpc, powerpc-static,
-          cosmo
+#          cosmo
           ]
       fail-fast: true