chore: Update l10n submodule path in mozconfig and package.json

scripts/download-language-packs.sh

@@ -0,0 +1,40 @@
+
+CURRENT_DIR=$(pwd)
+
+git config --global init.defaultBranch main
+git config --global fetch.prune true
+
+mkdir ~/tools
+cd ~/tools
+git clone https://github.com/glandium/git-cinnabar.git
+cd git-cinnabar
+git checkout 0.5.11
+export PATH=~/tools/git-cinnabar:$PATH
+cd ~
+git cinnabar download
+cd $CURRENT_DIR
+
+update_language() {
+  langId=$1
+  cd l10n
+  cd $langId
+
+  echo "Updating $langId"
+
+  git init 
+  git remote add upstream hg://hg.mozilla.org/l10n-central/$langId
+  git remote set-url upstream hg://hg.mozilla.org/l10n-central/$langId
+  git pull upstream branches/default/tip
+
+  cd $CURRENT_DIR
+}
+
+export PATH=~/tools/git-cinnabar:$PATH
+for lang in $(cat ./l10n/supported-languages); do
+  update_language $lang
+done
+cd $CURRENT_DIR
+
+echo "Cleaning up"
+rm -rf ~/tools
+rm -rf ~/.git-cinnabar