Update main.yml to refer to wasm_swift_sdk.yml (#3425)

Update main.yml to refer to wasm_swift_sdk.yml after it was recently
renamed

Author: rnro

.github/workflows/main.yml

@@ -67,7 +67,7 @@ jobs:
   wasm-sdk:
     name: WebAssembly Swift SDK
     # Workaround https://github.com/nektos/act/issues/1875
-    uses: apple/swift-nio/.github/workflows/wasm_sdk.yml@main
+    uses: apple/swift-nio/.github/workflows/wasm_swift_sdk.yml@main
     with:
       additional_command_arguments: "--target NIOCore"
 

.github/workflows/pull_request.yml

@@ -101,7 +101,7 @@ jobs:
   wasm-sdk:
     name: WebAssembly Swift SDK
     # Workaround https://github.com/nektos/act/issues/1875
-    uses: apple/swift-nio/.github/workflows/wasm_sdk.yml@main
+    uses: apple/swift-nio/.github/workflows/wasm_swift_sdk.yml@main
     with:
       additional_command_arguments: "--target NIOCore"