Factor out linting (#31)

.github/workflows/ci.yml

@@ -16,13 +16,10 @@ jobs:
         uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
-      - name: Install GolangCI-Lint
-        run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.45.2
       - name: Test with coverage
         run: make cover
       - name: Upload code coverage to codecov
         if: matrix.go == '1.18'
         uses: codecov/codecov-action@v1
         with:
           file: ./coverage.out
-      - run: make lint

.github/workflows/lint.yml

@@ -0,0 +1,18 @@
+name: lint
+on: [push]
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.18
+          check-latest: true
+      - uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.45.2
+      - name: Run go vet
+        run: |
+          go vet ./...