Added dexperimental Dev Container CI workflow

.devcontainer/devcontainer.json

@@ -102,7 +102,8 @@
                 "terminal.integrated.profiles.linux": { "zsh": { "path": "/bin/zsh" } }
             },
             "extensions": [
-                "ms-azuretools.vscode-docker"
+                "ms-azuretools.vscode-docker",
+                "github.vscode-github-actions"
             ]
         }
     },

.github/workflows/devcontainer.yml

@@ -0,0 +1,19 @@
+name: Dev Container
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, edited, closed]
+  push:
+    branches:
+      - main
+      - v5.*
+jobs:
+  build:
+    name: Dev Container Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Pre-build dev container image and run unit tests
+        uses: devcontainers/ci@v0.3
+        with:
+          runCmd: yarn test:unit