Update heimdall to version v2.7.6 (#3628)

heimdall/docker-compose.yml

@@ -8,7 +8,7 @@ services:
       PROXY_AUTH_ADD: "false"
 
   server:
-    image: linuxserver/heimdall:2.7.5@sha256:04c5aa9ed32e23d0a2f018cb76cc1dd58154cbaed3e1b66007894df57a603e21
+    image: linuxserver/heimdall:2.7.6@sha256:30c32fb4ebe54282b6e60cb0232f57d5fcda60d87a9b7e9a4d1ef71ad636817d
     volumes:
       - ${APP_DATA_DIR}/config:/config
     environment:

heimdall/umbrel-app.yml

@@ -3,7 +3,7 @@ id: heimdall
 name: Heimdall
 tagline: Organize your most used web sites in a simple way
 category: files
-version: "2.7.5"
+version: "2.7.6"
 port: 7392
 description: >-
   Heimdall is a dashboard for all your web applications. It doesn't need to be limited to applications though, you can add links to anything you like.
@@ -30,9 +30,10 @@ gallery:
 releaseNotes: >
   This release includes improvements and bug fixes:
 
-    - Fixed multiple typos in the German translation
-    - Added proxy management for icon uploads
-    - Fixed an issue with updating items that have no password
+
+    - Updated app.php
+    - Added current background maxsize
+    - Added password field
 
 
   For more details, please see the full release notes at https://github.com/linuxserver/Heimdall/releases