Add lint to CI

It is necessary to remember not to bring the code to a state complying
with the rules.

.github/workflows/go.yml

@@ -33,3 +33,17 @@ jobs:
 
       - name: Teardown test environment
         run: make test-env-up
+
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.20'
+          cache: false
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: v1.53