build(deps): bump libloading from 0.8.6 to 0.8.7 (#36983)

Bumps [libloading](https://github.com/nagisa/rust_libloading) from 0.8.6
to 0.8.7.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="2fe04f2bc8"><code>2fe04f2</code></a>
ci: test *-gnullvm instead of *-gnu</li>
<li><a
href="e25379cf5b"><code>e25379c</code></a>
ci: attempt to fix mingw test failures</li>
<li><a
href="5e033828b0"><code>5e03382</code></a>
release 0.8.7</li>
<li><a
href="fe29b71230"><code>fe29b71</code></a>
ci: add msys2 path to make gcc find the right ld</li>
<li><a
href="76a62e0f28"><code>76a62e0</code></a>
ci: remove TARGET env for cygwin</li>
<li><a
href="20139d9c64"><code>20139d9</code></a>
fix: specify cygwin linker by absolute path</li>
<li><a
href="5cf440d661"><code>5cf440d</code></a>
fix: add cygwin as unexpected cfg</li>
<li><a
href="efdd67675b"><code>efdd676</code></a>
ci: fix rust-src and use env vars</li>
<li><a
href="12621da6c5"><code>12621da</code></a>
ci: add cygwin test on MSYS2</li>
<li><a
href="b264a11dc7"><code>b264a11</code></a>
feat: add cygwin support</li>
<li>Additional commits viewable in <a
href="https://github.com/nagisa/rust_libloading/compare/0.8.6...0.8.7">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -4258,9 +4258,9 @@ dependencies = [
 
 [[package]]
 name = "libloading"
-version = "0.8.6"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
+checksum = "6a793df0d7afeac54f95b471d3af7f0d4fb975699f972341a4b76988d49cdf0c"
 dependencies = [
  "cfg-if",
  "windows-targets 0.48.5",