Refactor Go CI workflow for coverage testing

Updated Go workflow to include coverage testing with goveralls.

Author: setanarut

.github/workflows/go.yml

@@ -0,0 +1,26 @@
+name: Go
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.25'
+      - name: Set up goveralls
+        run: go install github.com/mattn/goveralls@latest
+      - name: Run unit tests
+        run: go test -race -covermode atomic -coverprofile=covprofile ./...
+      - name: Send coverage
+        env:
+          COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: goveralls -coverprofile=covprofile -service=github