Update libloading requirement from 0.7 to 0.8 (#8649)

Updates the requirements on
[libloading](https://github.com/nagisa/rust_libloading) to permit the
latest version.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/83b1037f21850e7da0cb9c4be17ed05da63894b2"><code>83b1037</code></a>
Release 0.8.0</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/a6a394a7efd583a68b61511cf36822268a84acc6"><code>a6a394a</code></a>
bump MSRV to 1.48</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/c7955a761e0ca64178b50dfa22be0177b238caf4"><code>c7955a7</code></a>
Replace winapi with windows-sys</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/95d03a1ddfbb9909555ed0b701f1018ffbcccebc"><code>95d03a1</code></a>
Add support for QNX Neutrino</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/6e284984aee68cc2d1b7e7d5e7b5a2a2279cf8e3"><code>6e28498</code></a>
Fix CI</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/95a0f62e8f52dc4f85921132588bfba7be18caf2"><code>95a0f62</code></a>
Placate clippy</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/224a3def35b7aa68996768b58d0a0ebabb9f0533"><code>224a3de</code></a>
Release 0.7.4</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/bd17713dcce4825b4969ef79b8b643eaee59a29f"><code>bd17713</code></a>
Support AIX dyld constants</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/6e0792973615751136453e446b03444dc80f4e0b"><code>6e07929</code></a>
fix typo</li>
<li><a
href="https://github.com/nagisa/rust_libloading/commit/6b33651a90a88b22b8575bf9801cf77ab1ef4318"><code>6b33651</code></a>
Construct a PathBuf</li>
<li>Additional commits viewable in <a
href="https://github.com/nagisa/rust_libloading/compare/0.7.0...0.8.0">compare
view</a></li>
</ul>
</details>
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crates/bevy_dynamic_plugin/Cargo.toml

@@ -15,5 +15,5 @@ keywords = ["bevy"]
 bevy_app = { path = "../bevy_app", version = "0.11.0-dev" }
 
 # other
-libloading = { version = "0.7" }
+libloading = { version = "0.8" }
 thiserror = "1.0"