Bump github.com/apple/swift-nio-http2 from 1.27.0 to 1.28.1

Bumps [github.com/apple/swift-nio-http2](https://github.com/apple/swift-nio-http2) from 1.27.0 to 1.28.1.
- [Release notes](https://github.com/apple/swift-nio-http2/releases)
- [Commits](https://github.com/apple/swift-nio-http2/compare/1.27.0...1.28.1)

---
updated-dependencies:
- dependency-name: github.com/apple/swift-nio-http2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/Package.resolved b/Package.resolved
index 6903baa..5e5ee8e 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -113,8 +113,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio-http2.git",
       "state" : {
-        "revision" : "a8ccf13fa62775277a5d56844878c828bbb3be1a",
-        "version" : "1.27.0"
+        "revision" : "9c22e4f810ce780453f563fba98e1a1039f83d56",
+        "version" : "1.28.1"
       }
     },
     {