Merge pull request #387 from scala-steward/update/smithy4s-aws-http4s…

…-0.18.9

Update smithy4s-aws-http4s, ... to 0.18.9

smithy-build.json

@@ -2,7 +2,7 @@
   "imports": ["modules/core/src/test/smithy"],
   "mavenDependencies": [
     "com.disneystreaming.alloy:alloy-core:0.3.0",
-    "com.disneystreaming.smithy4s:smithy4s-protocol:0.18.8",
+    "com.disneystreaming.smithy4s:smithy4s-protocol:0.18.9",
     "software.amazon.smithy:smithy-aws-traits:1.45.0"
   ]
 }