Update to TYPO3 v13.1

Migrate deprecated https://docs.typo3.org/c/typo3/cms-core/main/en-us/Changelog/13.1/Deprecation-103211-DeprecatePageTreebackgroundColor.html

Configuration/user.tsconfig

@@ -2,10 +2,19 @@ options {
     pageTree {
         showPageIdWithTitle = 1
         searchInAlias = 1
-        backgroundColor {
+        label {
-            2 = rgb(156, 217, 240);
+            2 {
-            39 = rgb(224, 150, 144);
+                label = Blog Post
-            45 = rgb(255, 227, 119);
+                color = rgb(156, 217, 240);
+            }
+            39 {
+                label = Error Page
+                color = rgb(224, 150, 144);
+            }
+            45 {
+                label = Workshop
+                color = rgb(255, 227, 119);
+            }
         }
     }
 }