fix(i18n): allow updating existing docs files in Crowdin

- Add upload_sources_args: '--update-strings' to update existing files
- Remove duplicate steps in workflow

.github/workflows/docs-i18n-push.yaml

@@ -41,19 +41,6 @@ jobs:
       - name: Generate navigation template for Crowdin
         run: yarn docs:generate-navigation-template
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: '.nvmrc'
-          cache: 'yarn'
-          cache-dependency-path: 'yarn.lock'
-
-      - name: Install dependencies
-        run: yarn install --frozen-lockfile
-
-      - name: Generate navigation template for Crowdin
-        run: yarn docs:generate-navigation-template
-
       - name: Upload docs to Crowdin
         uses: crowdin/github-action@v2
         with:
@@ -63,6 +50,8 @@ jobs:
           localization_branch_name: i18n
           base_url: 'https://twenty.api.crowdin.com'
           config: 'crowdin-docs.yml'
+          # Allow updating existing files instead of failing
+          upload_sources_args: '--update-strings'
         env:
           # Docs translations project
           CROWDIN_PROJECT_ID: '2'