Update stirling-pdf to v2.6.0 (#4988)

stirling-pdf/docker-compose.yml

@@ -7,7 +7,7 @@ services:
       APP_PORT: 8080
       PROXY_AUTH_WHITELIST: "/api/*"
   app:
-    image: stirlingtools/stirling-pdf:2.5.3@sha256:cc287bb47ad754ce052ee3c35d023f753532cbbde63dffc6abb150f338ed41ce
+    image: stirlingtools/stirling-pdf:2.6.0@sha256:7f0385362022ebddbecec0f00892074623ecd00e0ef93b180d8a4d65b3e8dd20
     # Stirling PDF does not work with a custom user
     #user: "1000:1000"
     restart: on-failure

stirling-pdf/umbrel-app.yml

@@ -3,7 +3,7 @@ id: stirling-pdf
 name: Stirling PDF
 tagline: Merge, split, rotate, and convert PDFs with ease
 category: files
-version: "2.5.3"
+version: "2.6.0"
 port: 27829
 description: >-
   Stirling PDF is a robust, locally hosted web-based PDF manipulation tool that offers a comprehensive set of features to address
@@ -54,13 +54,13 @@ gallery:
   - 2.jpg
   - 3.jpg
 releaseNotes: >-
-  This release includes new features and bug fixes:
-    - Added PDF to Excel (XLSX) conversion
-    - Added CSV and XLSX extraction for form fields
-    - Added ability to split a page into printable chunks (e.g. A3 into two A4 pages for posters)
-    - Added keyboard shortcut support in the PDF viewer
-    - Fixed various viewer issues
-    - Fixed cookie consent reappearing on desktop builds
+  This release includes significant performance improvements, security patches, and new features:
+    - Reduced memory usage and improved startup speed by approximately 30%
+    - Reduced Docker image size by 30-40%
+    - Desktop app now supports optionally connecting to Stirling cloud server for non-installed tools
+    - Fixed health check failing under certain authentication scenarios
+    - Fixed crop not working in the desktop app
+    - Several security patches and dependency updates
 
 
   Full release notes are found at https://github.com/Stirling-Tools/Stirling-PDF/releases