chore: release blog for Hextra v0.12

* chore: release blog for Hextra v0.12

* Add v0.12 blog translations and proofreading updates

* Merge main into plan-release-v0.12.0 and update build script versions

* Update build environment versions in netlify.toml to HUGO 0.156.0, GO 1.26.0, and NODE 24.13.1

* chore: update banner messages in multiple languages to reflect the release of Hextra **v0.12** in hugo.yaml

* docs(blog): align v0.12 tabs example with image (Photos/Music/Videos)

* docs(blog): fix page context menu wording (dropdown, not right-click)

* docs(hugo): update version link from v0.9 to v0.11 in menu

docs/hugo.yaml

@@ -32,7 +32,7 @@ languages:
     params:
       banner:
         message: |
-          هگزترا **v0.11** منتشر شد! 🎉 [تازه‌ها را ببینید]({{% relref "blog/v0.11" %}})
+          هگزترا **v0.12** منتشر شد! 🎉 [تازه‌ها را ببینید]({{% relref "blog/v0.12" %}})
       page:
         contextMenu:
           links:
@@ -47,7 +47,7 @@ languages:
     params:
       banner:
         message: |
-          Hextra **v0.11** がリリースされました！🎉 [新着情報はこちら]({{% relref "blog/v0.11" %}})
+          Hextra **v0.12** がリリースされました！🎉 [新着情報はこちら]({{% relref "blog/v0.12" %}})
       page:
         contextMenu:
           links:
@@ -62,7 +62,7 @@ languages:
     params:
       banner:
         message: |
-          Hextra **v0.11** 发布啦！🎉 查看[更新内容]({{% relref "blog/v0.11" %}})
+          Hextra **v0.12** 发布啦！🎉 查看[更新内容]({{% relref "blog/v0.12" %}})
       page:
         contextMenu:
           links:
@@ -137,9 +137,9 @@ menu:
       name: v0.10 ↗
       url: https://imfing.github.io/hextra/versions/v0.10/
       parent: versions
-    - identifier: v0.9
-      name: v0.9 ↗
-      url: https://imfing.github.io/hextra/versions/v0.9/
+    - identifier: v0.11
+      name: v0.11 ↗
+      url: https://imfing.github.io/hextra/versions/v0.11/
       parent: versions
     - identifier: about
       name: About
@@ -178,9 +178,9 @@ params:
   externalLinkDecoration: true
 
   banner:
-    key: 'announcement-v0.11'
+    key: 'announcement-v0.12'
     message: |
-      Hextra **v0.11** is here! 🎉 Discover [what's new]({{% relref "blog/v0.11" %}})
+      Hextra **v0.12** is here! 🎉 Discover [what's new]({{% relref "blog/v0.12" %}})
 
   navbar:
     displayTitle: true