## Summary
Replace post-command status checks with inline failure handling around
`sed` calls.
In the stream update path, ensure the two `sed` operations are treated
as one success/failure unit.
Keep behavior and file outputs the same on success, while making failure
handling explicit.
## Why
When `set -e` is enabled (which the script itself enables) command
failures cause the script to exit, making error handling by checking
`$?` not work.
## Files affected
- `set-version.sh`
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Refactor**
* Enhanced error handling in version management script with improved
failure reporting and context information.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added support for specifying a custom iOS App Store version during
release workflows.
* **Chores**
* Updated the iOS app's marketing version to 0.23.1.
* Upgraded the iOS workflow runner to macOS 15 and Xcode 16.4.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Improved version handling to ensure only the main version number is
used, ignoring any suffixes after a hyphen when updating the iOS
marketing version.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Improved the iOS release workflow to include automated version setup
and code signing identity updates during the release process.
* Introduced a script to automatically update iOS project code signing
settings for enhanced reliability.
* Enhanced versioning script to update the iOS marketing version in the
project file.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
