Go tests GitHub Actions workflow

Author: buth

.github/workflows/go.yml

@@ -0,0 +1,17 @@
+name: Go
+on: [push]
+jobs:
+  go-test-vet:
+    strategy:
+      matrix:
+        go-version: ['1.22', '1.21']
+    runs-on: ubuntu-latest
+    name: go test/vet
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version: ${{ matrix.go-version }}
+        check-latest: true
+    - run: go test -v -race ./...
+    - run: go vet ./...

go.mod

@@ -1,3 +1,3 @@
 module github.com/buth/diff
 
-go 1.19
+go 1.21.0