linux: Update manifest to install releases XML

Author: cassidyjames

linux/net.hhoney.tinycrate.yml

@@ -28,3 +28,4 @@ modules:
   - install -Dm644 linux/${FLATPAK_ID}.svg ${FLATPAK_DEST}/share/icons/hicolor/scalable/apps/${FLATPAK_ID}.svg
   - install -Dm644 linux/${FLATPAK_ID}-symbolic.svg ${FLATPAK_DEST}/share/icons/hicolor/symbolic/apps/${FLATPAK_ID}-symbolic.svg
   - install -Dm644 linux/${FLATPAK_ID}.metainfo.xml ${FLATPAK_DEST}/share/metainfo/${FLATPAK_ID}.metainfo.xml
+  - install -Dm644 linux/${FLATPAK_ID}.releases.xml ${FLATPAK_DEST}/share/metainfo/${FLATPAK_ID}.releases.xml