test: add goveralls Github action

.github/workflows/coverage.yml

@@ -0,0 +1,22 @@
+name: Coverage
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22
+      - name: Checkout
+        uses: actions/checkout@v4
+      - run: go test -v -coverprofile=profile.cov ./...
+      - uses: shogo82148/actions-goveralls@v1
+        with:
+          path-to-profile: profile.cov

.github/workflows/go.yml

@@ -15,12 +15,12 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Setup Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Download Go dependencies
         run: go mod download
@@ -32,3 +32,4 @@ jobs:
 
       - name: Test
         run: go test -v ./...
+