feat(ci): add step to update version in main.go during CI/CD pipeline

.github/workflows/cicd.yml

@@ -38,6 +38,16 @@ jobs:
               with:
                   go-version: 1.25
 
+            - name: Update version in main.go
+              run: |
+                  TAG=${{ env.TAG }}
+                  if [ -f main.go ]; then
+                    sed -i 's/version_replaceme/'"$TAG"'/' main.go
+                    echo "Updated main.go with version $TAG"
+                  else
+                    echo "main.go not found"
+                  fi
+
             - name: Build and push Docker images
               run: |
                   TAG=${{ env.TAG }}