chore: Update alpha.yml workflow to use pnpm for packaging

.github/workflows/alpha.yml

@@ -312,9 +312,7 @@ jobs:
 
       - name: Package
         run: |
-          cd engine/
-          ./mach package
-          cd ..
+          pnpm package
           mv ./dist/output.mar windows.mar
       - name: Upload artifact
         uses: actions/upload-artifact@v3

.github/workflows/src/windows_mozconfig

@@ -11,7 +11,6 @@ export WINEDEBUG=-all
 #? https://bugzilla.mozilla.org/show_bug.cgi?id=1617793
 #? https://phabricator.services.mozilla.com/D170170
 ac_add_options --target=x86_64-pc-windows-msvc
-ac_add_options --enable-bootstrap
 
 export MOZ_STUB_INSTALLER=1
 export MOZ_MAINTENANCE_SERVICE=

configs/common/mozconfig

@@ -25,3 +25,8 @@ export MOZ_STUB_INSTALLER=1
 export MOZ_INCLUDE_SOURCE_INFO=1
 export MOZ_SOURCE_REPO=https://github.com/zen-browser/desktop
 export MOZ_SOURCE_CHANGESET=${changeset}
+
+ac_add_options --enable-bootstrap
+
+# ALWAYS MANTAIN ONE LINE BREAK AT THE END OF THIS FILE
+