test: Test coverage using Codecov

.github/workflows/codecov.yml

@@ -0,0 +1,33 @@
+# This workflow will submit 
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-swift
+
+name: Codecov
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  coverage_test:
+    name: Swift ${{ matrix.swift }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-14, ubuntu-latest]
+        swift: ["5.10", "5.9"]
+    timeout-minutes: 60
+    steps:
+      - uses: swift-actions/setup-swift@v2
+        with:
+          swift-version: ${{ matrix.swift }}
+      - uses: actions/checkout@v4
+      - name: Get swift version
+        run: swift --version
+      - name: Run tests
+        run: swift test -v
+      - name: Submit code coverage
+        uses: vapor/swift-codecov-action@v0.3
+        with:
+          codecov_token: ${{ secrets.CODECOV_TOKEN }}