chore: Update runs-on to macos-14 for Mac job, add macos.mar to artifact list, and update mozconfig for Linux build

.github/workflows/alpha.yml

@@ -582,8 +582,10 @@ jobs:
             zen.source.tar.gz
             linux.mar
             windows.mar
+            macos.mar
             zen.installer.exe
             zen.installer.pretty.exe
+            zen.macos.dmg
 
       - name: List
         run: find .

configs/common/mozconfig

@@ -54,5 +54,9 @@ ac_add_options --without-wasm-sandboxed-libraries
 export MOZ_REQUIRE_SIGNING=
 export MOZ_TELEMETRY_REPORTING=
 
+if test "$ZEN_CROSS_COMPILING"; then
+  ac_add_options --target=x86_64-pc-linux-gnu
+fi
+
 # ALWAYS MANTAIN ONE LINE BREAK AT THE END OF THIS FILE
 

configs/linux/mozconfig

@@ -21,7 +21,6 @@ if ! test "$ZEN_CROSS_COMPILING"; then
     ac_add_options --enable-linker=lld
     ac_add_options --enable-strip
 
-    ac_add_options --target=x86_64-pc-linux-gnu
 fi
 
 # Disable telemetry and tracking