Use Go 1.25 for Coveralls reporting

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: MagicalTux

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
         run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...
 
       - name: Send coverage to Coveralls
-        if: matrix.go-version == '1.24'
+        if: matrix.go-version == '1.25'
         uses: coverallsapp/github-action@v2
         with:
           file: coverage.out