🌐 Sync Translations + Update README Progress Table (#3288)

### 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>

src/main/resources/messages_vi_VN.properties

@@ -90,6 +90,7 @@ legal.terms=Terms and Conditions
 legal.accessibility=Accessibility
 legal.cookie=Cookie Policy
 legal.impressum=Impressum
+legal.showCookieBanner=Cookie Preferences
 
 ###############
 #   Pipeline  #
@@ -135,6 +136,7 @@ analytics.enable=Enable analytics
 analytics.disable=Disable analytics
 analytics.settings=You can change the settings for analytics in the config/settings.yml file
 
+
 #############
 #  NAVBAR   #
 #############
@@ -1399,3 +1401,25 @@ validateSignature.cert.version=Version
 validateSignature.cert.keyUsage=Key Usage
 validateSignature.cert.selfSigned=Self-Signed
 validateSignature.cert.bits=bits
+
+####################
+#  Cookie banner   #
+####################
+cookieBanner.popUp.title=How we use Cookies
+cookieBanner.popUp.description=We use cookies and other technologies to make Stirling PDF work better for you—helping us improve our tools and keep building features you'll love. <br>If you’d rather not, clicking 'No Thanks' will only enable the essential cookies needed to keep things running smoothly.
+cookieBanner.popUp.acceptAllBtn=Okay
+cookieBanner.popUp.acceptNecessaryBtn=No Thanks
+cookieBanner.popUp.showPreferencesBtn=Manage preferences
+cookieBanner.preferencesModal.title=Consent Preferences Center
+cookieBanner.preferencesModal.acceptAllBtn=Accept all
+cookieBanner.preferencesModal.acceptNecessaryBtn=Reject all
+cookieBanner.preferencesModal.savePreferencesBtn=Save preferences
+cookieBanner.preferencesModal.closeIconLabel=Close modal
+cookieBanner.preferencesModal.serviceCounterLabel=Service|Services
+cookieBanner.preferencesModal.subtitle=Cookie Usage
+cookieBanner.preferencesModal.description=Stirling PDF uses cookies and similar technologies to enhance your experience and understand how our tools are used. This helps us improve performance, develop the features you care about, and provide ongoing support to our users. <br><br>Stirling PDF cannot—and will never—track or access the content of the documents you use. <b>Your privacy and trust are at the core of what we do<b>.
+cookieBanner.preferencesModal.necessary.title=Strictly Necessary Cookies <span class=\"pm__badge\">Always Enabled</span>
+cookieBanner.preferencesModal.necessary.description=These cookies are essential for the website to function properly. They enable core features like setting your privacy preferences, logging in, and filling out forms—which is why they can’t be turned off.
+cookieBanner.preferencesModal.analytics.title=Analytics
+cookieBanner.preferencesModal.analytics.description=These cookies help us understand how our tools are being used, so we can focus on building the features our community values most. Rest assured—Stirling PDF cannot and will never track the content of the documents you work with.
+