Update redgettext to version 3.4 (#5582)

.github/workflows/prepare_release.yml

@@ -27,7 +27,7 @@ jobs:
           echo "deb https://artifacts.crowdin.com/repo/deb/ /" | sudo tee -a /etc/apt/sources.list
           sudo apt-get update -qq
           sudo apt-get install -y crowdin
-          pip install redgettext==3.3
+          pip install redgettext==3.4
 
       - name: Generate source files
         run: |