fix(ci): run 'go mod tidy' before 'make cross' in release workflow to ensure complete go.sum for the CI Go version (fixes persistent 'missing go.sum entry' errors for direct and transitive deps during cross-compilation)

.gitea/workflows/release.yml

@@ -40,7 +40,9 @@ jobs:
           VERSION=${GITHUB_REF#refs/tags/}
           COMMIT=$(git rev-parse --short HEAD)
           DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
+          go mod tidy
           make cross VERSION="$VERSION" COMMIT="$COMMIT" DATE="$DATE"
+        # go mod tidy ensures go.sum is complete for this Go version in CI (common fix for "missing go.sum entry" during cross builds)
         # make cross (with deps) handles the loop + ldflags