ci: update test workflow to run on multiple OS and enable race detection (#51)

Author: semihbkgr

.github/workflows/test.yml

@@ -4,7 +4,10 @@ on: [push]
 
 jobs:
  tests:
- runs-on: ubuntu-latest
+ strategy:
+ matrix:
+ os: [ubuntu-latest, windows-latest, macos-latest]
+ runs-on: ${{ matrix.os }}
  steps:
  - name: Checkout
  uses: actions/checkout@v4
@@ -18,4 +21,4 @@ jobs:
  check-latest: true
 
  - name: Run tests
- run: go test ./...
+ run: go test -race ./...