Tweak GitHub Action setup

Remove unnecessary Go builds from workflows.

Make sure to run more checks with `golangci-lint`.

Use `stable` for Go version to have the latest always.

.github/workflows/golangci-lint.yml

@@ -12,20 +12,18 @@ on:
     - main
 
 jobs:
-  build:
+  golangci-lint:
     name: golangci-lint
     runs-on: ubuntu-latest
-    steps:
-    - name: Set up Go
-      uses: actions/setup-go@v5
-      with:
-        go-version: 1.23.x
 
+    steps:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v4
 
-    - name: Build source code
-      run: go build ./...
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: stable
 
     - name: golangci-lint
       uses: golangci/golangci-lint-action@v6

.github/workflows/misspell.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: 1.23.x
+        go-version: stable
 
     - name: Check out code into the Go module directory
       uses: actions/checkout@v4

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: 1.23.x
+        go-version: stable
 
     - name: Run GoReleaser Build
       uses: goreleaser/goreleaser-action@v6

.github/workflows/tests.yml

@@ -16,20 +16,16 @@ jobs:
     name: Tests
     runs-on: ubuntu-latest
     steps:
-    - name: Set up Go
-      uses: actions/setup-go@v5
-      with:
-        go-version: 1.23.x
-
     - name: Check out code into the Go module directory
       uses: actions/checkout@v4
 
-    - name: Build
-      run: go build ./...
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: stable
 
     - name: Test
-      run: |
-        make test
+      run: make test
 
     - name: Upload Code Coverage Profile
       uses: codecov/codecov-action@v5

.golangci.yaml

@@ -0,0 +1,5 @@
+---
+linters:
+  enable:
+  - gosec
+  - gocritic

internal/img/output.go

@@ -306,7 +306,7 @@ func (s *Scaffold) image() (image.Image, error) {
 		w, h := dc.MeasureString(str)
 
 		// background color
-		switch cr.Settings & 0x02 {
+		switch cr.Settings & 0x02 { //nolint:gocritic
 		case 2:
 			dc.SetRGB255(
 				int((cr.Settings>>32)&0xFF), // #nosec G115

internal/ptexec/exec.go

@@ -115,7 +115,7 @@ func RunCommandInPseudoTerminal(name string, args ...string) ([]byte, error) {
 func copy(dst io.Writer, src io.Reader) error {
 	_, err := io.Copy(dst, src)
 	if err != nil {
-		switch terr := err.(type) {
+		switch terr := err.(type) { //nolint:gocritic
 		case *os.PathError:
 			// Workaround for issue https://github.com/creack/pty/issues/100
 			// where on Linux systems it can happen that the pseudo terminal