chore(ci): separate sources upload and translations download workflows

.github/workflows/crowdin-sync.yaml

+name: Crowdin Download
+
+# hourly we sync translations from Crowdin
+on:
+  schedule:
+    - cron: '0 * * * *' # every hour we download translations and update the pr from crowdin
+
+  # manual trigger
+  workflow_dispatch:
+
+jobs:
+  download-translations:
+    name: Download translations
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Synchronize
+        uses: crowdin/github-action@1.1.0
+        with:
+          upload_sources: false
+          download_translations: true
+          project_id: 458284
+          token: ${{ secrets.CROWDIN_PERSONAL_TOKEN_SECRET }}
+          translation: 'src/locales/%locale%.po'
+          pull_request_title: "chore(i18n): synchronize translations from crowdin"
+          commit_message: "chore(i18n): synchronize translations from crowdin"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/crowdin.yaml

-name: Crowdin
+name: Crowdin Upload
 
+# on any push to main, we upload the translations to be translated
 on:
   push:
     branches:
       - main
 
-  # manual trigger
-  workflow_dispatch:
-
 jobs:
   synchronize-with-crowdin:
-    name: Synchronize with Crowdin
+    name: Upload sources to Crowdin
     runs-on: ubuntu-latest
 
     steps:
@@ -33,12 +31,9 @@ jobs:
         uses: crowdin/github-action@1.1.0
         with:
           upload_sources: true
-          download_translations: true
+          download_translations: false
           project_id: 458284
           token: ${{ secrets.CROWDIN_PERSONAL_TOKEN_SECRET }}
           source: 'src/locales/en-US.po'
-          translation: 'src/locales/%locale%.po'
-          pull_request_title: "chore(i18n): synchronize translations from crowdin"
-          commit_message: "chore(i18n): synchronize translations from crowdin"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}