feat: mention OpenScanHub in the feature list (#1066)

Resolves: #966

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TODO:

- [ ] Write new tests or update the old ones to cover new functionality.
- [ ] Update doc-strings where appropriate.
- [ ] Update or write new documentation in `packit/packit.dev`.
- [ ] ‹fill in›

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Fixes

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Merge before/after

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Packit now supports automatic ordering of ☕ after all checks pass.

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Author: mfocko

src/components/HomepageFeatures/index.tsx

@@ -32,7 +32,14 @@ const FeatureList: FeatureItem[] = [
         </Link>{" "}
         and can test either the RPM package built in Copr or trigger tests
         directly on different platforms.{" "}
-        <Link to="/docs/configuration/upstream/tests">Learn more.</Link>
+        <Link to="/docs/configuration/upstream/tests">Learn more.</Link> It can
+        also perform Static Application Security Testing through{" "}
+        <Link to="https://openscanhub.dev/">OpenScanHub</Link> by running
+        differential scans on{" "}
+        <Link to="https://packit.dev/posts/openscanhub-prototype#setup">
+          pull requests
+        </Link>
+        .
       </>
     ),
   },