Update runtime to 23.08 and dotnet version to 8

Author: LiveLM

io.github.am2r_community_developers.Atomic.yaml

@@ -1,9 +1,9 @@
 app-id: io.github.am2r_community_developers.Atomic
 runtime: org.freedesktop.Platform
-runtime-version: '22.08'
+runtime-version: '23.08'
 sdk: org.freedesktop.Sdk
 sdk-extensions:
-  - org.freedesktop.Sdk.Extension.dotnet6
+  - org.freedesktop.Sdk.Extension.dotnet8
   - org.freedesktop.Sdk.Extension.openjdk11
 
 finish-args:
@@ -40,17 +40,17 @@ modules:
   - name: atomic
     buildsystem: simple
     build-options:
-      append-path: /usr/lib/sdk/dotnet6/bin
-      append-ld-library-path: /usr/lib/sdk/dotnet6/lib
-      append-pkg-config-path: /usr/lib/sdk/dotnet6/lib/pkgconfig
+      append-path: /usr/lib/sdk/dotnet8/bin
+      append-ld-library-path: /usr/lib/sdk/dotnet8/lib
+      append-pkg-config-path: /usr/lib/sdk/dotnet8/lib/pkgconfig
       arch:
         x86_64:
           env:
             RUNTIME: linux-x64
         # TODO: figure out how to add arm32 and arm64 and allow them in flathub.json too
     build-commands:
       - dotnet publish Atomic.Gtk --source nuget-sources -p:BuildPlatform=Gtk -p:DebugType=embedded -c Release --self-contained true -r $RUNTIME
-      - cp -r --remove-destination Atomic.Gtk/bin/Release/net6.0/$RUNTIME/publish/* /app/bin/
+      - cp -r --remove-destination Atomic.Gtk/bin/Release/net8.0/$RUNTIME/publish/* /app/bin/
       - mv /app/bin/Atomic.Gtk /app/bin/atomic
 
       - install -Dm644 distribution/linux/Atomic.appdata.xml /app/share/metainfo/$FLATPAK_ID.appdata.xml