Move update-translations.sh script to workflow directory

.github/workflows/update-translations.yml

@@ -14,7 +14,7 @@ jobs:
           POEDITOR_PROJECTID: ${{ secrets.POEDITOR_PROJECTID }}
           POEDITOR_APIKEY: ${{ secrets.POEDITOR_APIKEY }}
         run: |
-          ./update-translations.sh
+          .github/workflows/update-translations.sh
       - name: Show changes, if any
         run: |
           git status --porcelain