Update to Qt6.6 in the flatpak

im.nheko.Nheko.yaml

 id: im.nheko.Nheko
 command: im.nheko.Nheko
 runtime: org.kde.Platform
-runtime-version: '6.5'
+runtime-version: '6.6'
 sdk: org.kde.Sdk
 finish-args:
   - --device=dri
@@ -202,8 +202,8 @@ modules:
       - -Ddefault_library=static
     name: coeurl
     sources:
-      - commit: 2a20a129240a1a017b37b6874faab499ca4e523b
-        tag: v0.3.0
+      - commit: 3007387745cf84138d0855e0f04ff94261fc7175
+        #tag: v0.3.0
         type: git
         url: https://nheko.im/nheko-reborn/coeurl.git
   - config-opts: