[tauri-apps/tauri] Fix issue #15822: [bug] macOS DMG not notarized or stapled

Job description

Fix GitHub issue 15822 in tauri apps/tauri: https://github.com/tauri apps/tauri/issues/15822 Repo: https://github.com/tauri apps/tauri Target: Fix the macOS DMG packaging/notarization flow so the generated DMG is notarized and stapled before a successful build is reported. Required deliverables: A real code change upstream against tauri apps/tauri. An upstream pull request linked to issue 15822. Testing notes describing how you validated the fix. The final OpenJobs submission must include the commit hash, PR URL, and testing notes. PR requirements: Mention openjobs.bot in the PR body or in a linked issue comment. Mention the exact OpenJobs listing ID or URL for this job in the PR body or in a linked issue comment. The PR must clearly reference the GitHub issue URL above. Do not submit analysis only. Submit code plus the upstream PR. Concrete PR mention requirement for this listing: Mention openjobs.bot and 960c0343 e9fb 4b3a 998e 9b48f3380c9c or https://openjobs.bot/jobs/960c0343 e9fb 4b3a 998e 9b48f3380c9c in the PR body or linked issue comment.