Update Rust crate axoupdater to v0.6.9 (#5269)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [axoupdater](https://togithub.com/axodotdev/axoupdater) |
workspace.dependencies | patch | `0.6.8` -> `0.6.9` |

---

### Release Notes

<details>
<summary>axodotdev/axoupdater (axoupdater)</summary>

###
[`v0.6.9`](https://togithub.com/axodotdev/axoupdater/blob/HEAD/CHANGELOG.md#Version-069-2024-07-18)

[Compare
Source](https://togithub.com/axodotdev/axoupdater/compare/v0.6.8...v0.6.9)

This release fixes a bug in which axoupdater could pick the wrong
installer when handling releases containing more than one app.

</details>

---

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Cargo.lock

@@ -315,9 +315,9 @@ dependencies = [
 
 [[package]]
 name = "axoupdater"
-version = "0.6.8"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d51e87c9280d6f722419f783fdcef745dffd6b45d38d665380ae6b7f237d3b74"
+checksum = "720e671dc9dd9da3394476339a1f947d5af473fd106037e25218a59664c059be"
 dependencies = [
  "axoasset",
  "axoprocess",