github: add setup go step

.github/workflows/push.yaml

@@ -10,13 +10,21 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.23'
+
       - name: Run linter
         uses: golangci/golangci-lint-action@v3
         with:
           version: v1.49.0
+
       - name: Run tests
         run: make test
+
       - name: Send coverage
         uses: shogo82148/actions-goveralls@v1
         with:
-          path-to-profile: ./coverage/covprofile
+          path-to-profile: ./coverage/covprofile