lint with action, remove pinning toolchain

.github/workflows/go.yml

@@ -24,6 +24,3 @@ jobs:
 
     - name: Test
       run: make test
-
-    - name: Lint
-      run: make lint

.github/workflows/golangci-lint.yml

@@ -0,0 +1,56 @@
+# From: https://github.com/golangci/golangci-lint-action
+name: golangci-lint
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  # pull-requests: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+          cache: false
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          # Require: The version of golangci-lint to use.
+          # When `install-mode` is `binary` (default) the value can be v1.2 or v1.2.3 or `latest` to use the latest version.
+          # When `install-mode` is `goinstall` the value can be v1.2.3, `latest`, or the hash of a commit.
+          version: v1.54
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          #
+          # Note: By default, the `.golangci.yml` file should be at the root of the repository.
+          # The location of the configuration file can be changed by using `--config=`
+          # args: --timeout=30m --config=/my/path/.golangci.yml --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
+
+          # Optional: if set to true, then all caching functionality will be completely disabled,
+          #           takes precedence over all other caching options.
+          # skip-cache: true
+
+          # Optional: if set to true, then the action won't cache or restore ~/go/pkg.
+          # skip-pkg-cache: true
+
+          # Optional: if set to true, then the action won't cache or restore ~/.cache/go-build.
+          # skip-build-cache: true
+
+          # Optional: The mode to install golangci-lint. It can be 'binary' or 'goinstall'.
+          # install-mode: "goinstall"

Makefile

@@ -13,8 +13,5 @@ install:
 test:
 	go test -coverprofile=coverage.out -v ./...
 
-lint: bin/golangci-lint-1.54.2
-	./bin/golangci-lint-1.54.2 run ./...
-
-bin/golangci-lint-1.54.2:
-	./hack/fetch-golangci-lint.sh
+lint: 
+	golangci-lint run -v "./..."

go.mod

@@ -2,8 +2,6 @@ module github.com/salesforce/kubelet-summary-exporter
 
 go 1.21
 
-toolchain go1.21.1
-
 require (
 	github.com/alecthomas/kong v0.7.1
 	github.com/google/go-cmp v0.5.9