CI: Add missing secrets on Flatpak releases

.github/workflows/publish.yaml

@@ -50,6 +50,14 @@ jobs:
         shell: bash
     env:
       FLATPAK_BUILD_PATH: flatpak_app/files/share
+      TWITCH_CLIENTID: ${{ secrets.TWITCH_CLIENT_ID }}
+      TWITCH_HASH: ${{ secrets.TWITCH_HASH }}
+      RESTREAM_CLIENTID: ${{ secrets.RESTREAM_CLIENTID }}
+      RESTREAM_HASH: ${{ secrets.RESTREAM_HASH }}
+      YOUTUBE_CLIENTID: ${{ secrets.YOUTUBE_CLIENTID }}
+      YOUTUBE_CLIENTID_HASH: ${{ secrets.YOUTUBE_CLIENTID_HASH }}
+      YOUTUBE_SECRET: ${{ secrets.YOUTUBE_SECRET }}
+      YOUTUBE_SECRET_HASH: ${{ secrets.YOUTUBE_SECRET_HASH }}
     container:
       image: bilelmoussaoui/flatpak-github-actions:kde-6.4
       options: --privileged