Include WebAssembly SDK checks in PR and main workflows

Also remove `scripts/install_static_sdk.sh`, which has been replaced
by `scripts/install_swift_sdk.sh`.

Author: kateinoigakukun

.github/workflows/main.yml

@@ -56,10 +56,15 @@ jobs:
       matrix_string: '${{ needs.construct-integration-test-matrix.outputs.integration-test-matrix }}'
 
   static-sdk:
-    name: Static SDK
+    name: Static Linux Swift SDK
     # Workaround https://github.com/nektos/act/issues/1875
     uses: apple/swift-nio/.github/workflows/static_sdk.yml@main
 
+  wasm-sdk:
+    name: WebAssembly Swift SDK
+    # Workaround https://github.com/nektos/act/issues/1875
+    uses: apple/swift-nio/.github/workflows/wasm_sdk.yml@main
+
   macos-tests:
     name: macOS tests
     # Workaround https://github.com/nektos/act/issues/1875

.github/workflows/pull_request.yml

@@ -88,10 +88,15 @@ jobs:
       xcode_16_3_build_arguments_override: "-Xswiftc -Xfrontend -Xswiftc -require-explicit-sendable"
 
   static-sdk:
-    name: Static SDK
+    name: Static Linux Swift SDK
     # Workaround https://github.com/nektos/act/issues/1875
     uses: apple/swift-nio/.github/workflows/static_sdk.yml@main
 
+  wasm-sdk:
+    name: WebAssembly Swift SDK
+    # Workaround https://github.com/nektos/act/issues/1875
+    uses: apple/swift-nio/.github/workflows/wasm_sdk.yml@main
+
   release-builds:
     name: Release builds
     uses: apple/swift-nio/.github/workflows/release_builds.yml@main