Build and test with SwiftWasm 5.5 on CI (#460)

Configuration for simultaneous builds with SwiftWasm 5.4 and 5.5 can't be specified more succinctly due to swiftwasm/swiftwasm-action#3. I had to create almost duplicate job descriptions because of that.

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ on:
     branches: [main]
 
 jobs:
-  swiftwasm_bundle:
+  swiftwasm_bundle_5_4:
     runs-on: ubuntu-20.04
 
     steps:
@@ -15,7 +15,7 @@ jobs:
         with:
           shell-action: carton bundle --product TokamakDemo
 
-  swiftwasm_test:
+  swiftwasm_test_5_4:
     runs-on: ubuntu-20.04
 
     steps:
@@ -24,6 +24,24 @@ jobs:
         with:
           shell-action: carton test
 
+  swiftwasm_bundle_5_5:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: swiftwasm/swiftwasm-action@v5.5
+        with:
+          shell-action: carton bundle --product TokamakDemo
+
+  swiftwasm_test_5_5:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: swiftwasm/swiftwasm-action@v5.5
+        with:
+          shell-action: carton test
+
   core_macos_build:
     runs-on: macos-11