fix(flatpak): clang (#9)

Reviewed-on: https://codeberg.org/GeopJr/Turntable/pulls/9

Author: GeopJr

.github/workflows/build.yml

@@ -39,7 +39,7 @@ jobs:
       uses: docker/setup-qemu-action@v2
       with:
         platforms: arm64
-    - uses: flathub-infra/flatpak-github-actions/flatpak-builder@4388a4c5fc8bab58e1dfb7fc63267dca0f7b4976
+    - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
       with:
         bundle: "dev.geopjr.Turntable.flatpak"
         run-tests: true

build-aux/dev.geopjr.Turntable.json

@@ -4,7 +4,8 @@
     "runtime-version" : "48",
     "sdk" : "org.gnome.Sdk",
     "sdk-extensions" : [
-        "org.freedesktop.Sdk.Extension.vala"
+        "org.freedesktop.Sdk.Extension.vala",
+		"org.freedesktop.Sdk.Extension.llvm19"
     ],
     "command" : "dev.geopjr.Turntable",
     "finish-args" : [