chore(workflow): Add dependency download step in CI workflow

- Introduced a step to download and verify Go module dependencies in the CI workflow, ensuring all required packages are available for the build process.
- This enhancement improves the reliability of the build environment by ensuring dependencies are properly managed.

Signed-off-by: Sky Singh <akashsingh2210670@gmail.com>

.github/workflows/build.yml

@@ -24,6 +24,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
+      - name: Download dependencies
+        run: |
+          go mod download
+          go mod verify
+
       - name: gofmt check
         run: |
           if [ "$(gofmt -s -l . | wc -l)" -ne 0 ]