release v0.13.3 (#945)

<!-- CURSOR_SUMMARY -->
> [!NOTE]
> **Low Risk**
> Metadata-only version bump with no runtime or behavioral changes.
> 
> **Overview**
> **Bumps the crate version from `0.13.2` to `0.13.3`** in `Cargo.toml`
and updates the matching `snapchain` entry in `Cargo.lock`.
> 
> No application or library code changes are included in this diff—only
the release version metadata.
> 
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
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<!-- /CURSOR_SUMMARY -->

Author: topocount

Cargo.lock

@@ -4,7 +4,7 @@ resolver = "2"
 
 [package]
 name = "snapchain"
-version = "0.13.2"
+version = "0.13.3"
 edition = "2021"
 default-run = "snapchain"