feat(bundler): bundle additional gstreamer files, closes #4092 (#4271)

Co-authored-by: Lucas Nogueira <lucas@tauri.studio>

tooling/cli/src/build.rs

@@ -337,6 +337,9 @@ pub fn command(options: Options) -> Result<()> {
         }
       }
     }
+    if config_.tauri.bundle.appimage.bundle_media_framework {
+      std::env::set_var("APPIMAGE_BUNDLE_GSTREAMER", "1");
+    }
 
     let bundles = bundle_project(settings).with_context(|| "failed to bundle project")?;