🌐 Sync Translations + Update README Progress Table (#3962)

### Description of Changes

This Pull Request was automatically generated to synchronize updates to
translation files and documentation. Below are the details of the
changes made:

#### **1. Synchronization of Translation Files**
- Updated translation files (`messages_*.properties`) to reflect changes
in the reference file `messages_en_GB.properties`.
- Ensured consistency and synchronization across all supported language
files.
- Highlighted any missing or incomplete translations.

#### **2. Update README.md**
- Generated the translation progress table in `README.md`.
- Added a summary of the current translation status for all supported
languages.
- Included up-to-date statistics on translation coverage.

#### **Why these changes are necessary**
- Keeps translation files aligned with the latest reference updates.
- Ensures the documentation reflects the current translation progress.

---

Auto-generated by [create-pull-request][1].

[1]: https://github.com/peter-evans/create-pull-request

---------

Co-authored-by: stirlingbot[bot] <195170888+stirlingbot[bot]@users.noreply.github.com>

app/core/src/main/resources/messages_ru_RU.properties

@@ -1832,7 +1832,7 @@ home.scannerEffect.title=Поддельное сканирование
 home.scannerEffect.desc=Создайте PDF-файл, который выглядит так, как будто он был отсканирован
 scannerEffect.tags=scan,simulate,realistic,convert
 
-# scannerEffect advanced settings (frontend)
+# ScannerEffect advanced settings (frontend)
 scannerEffect.advancedSettings=Включите расширенные параметры сканирования
 scannerEffect.colorspace=Цветовое пространство
 scannerEffect.colorspace.grayscale=Оттенки серого
@@ -1847,6 +1847,7 @@ scannerEffect.noise=Шум
 scannerEffect.yellowish=Желтоватый оттенок (имитация старой бумаги)
 scannerEffect.resolution=Разрешение (DPI)
 
+
 # Table of Contents Feature
 home.editTableOfContents.title=Редактировать оглавление
 home.editTableOfContents.desc=Добавление или редактирование закладок и оглавления в PDF-документах

scripts/ignore_translation.toml

@@ -207,7 +207,6 @@ ignore = [
     'cookieBanner.popUp.acceptAllBtn',
     'endpointStatistics.top10',
     'endpointStatistics.top20',
-    'scannerEffect.quality.medium',
     'fileChooser.dragAndDrop',
     'home.pipeline.title',
     'lang.afr',
@@ -242,6 +241,7 @@ ignore = [
     'pipelineOptions.pipelineHeader',
     'pro',
     'redact.zoom',
+    'scannerEffect.quality.medium',
     'sponsor',
     'team.status',
     'text',