ci(i18n): fix pull translations action freezing (#5494)

* ci: disable sparse-checkout

- it was actually slower
- it made workflow freeze: stefanzweifel/git-auto-commit-action#345

* ci: use `date`

no need to use external action to get date

.github/workflows/pull-translations.yml

@@ -20,18 +20,10 @@ jobs:
 
       - name: "Checkout"
         uses: actions/checkout@v4
-        with:
-          filter: blob:none
-          sparse-checkout: |
-            .tx
-            lang
 
       - name: "Get current date"
-        uses: nanzm/get-time-action@v1.1
         id: get-timestamp
-        with:
-          timeZone: 0
-          format: "YYYY-MM-DD"
+        run: echo "time=$(date -u "+%F")" >> $GITHUB_OUTPUT
 
       - name: "Pull translations"
         run: tx pull --force