Switch windows tests from Appveyor to Github Actions (#611)

* Run unit tests on win in gha
* Decomissions appveyor 🫡

.github/workflows/checks.yml

@@ -47,6 +47,22 @@ jobs:
           PGPASSWORD: postgres
           PGDATABASE: booktown
 
+  tests-windows:
+    runs-on: windows-latest
+    timeout-minutes: 30
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ env.GO_VERSION }}
+      - run: go mod download
+      - run: make test
+        env:
+          CGO_ENABLED: 1
+
   lint:
     runs-on: ubuntu-latest
     timeout-minutes: 10