Add test on dragonfly

.github/workflows/dragonfly.yml

@@ -0,0 +1,26 @@
+name: dragonfly
+on:
+  push:
+    branches:
+      - 'master'
+    paths:
+      - 'action.yml'
+      - '.github/workflows/dragonfly.yml'
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: 1.22.x
+      id: go
+
+    - name: Build go from tip
+      uses: iwdgo/gotip-build@updates
+      id: gotip
+      with:
+        go_variables: GO_TEST_SHORT=1 GO_TEST_TIMEOUT_SCALE=8 GOOS=dragonfly GOARCH=amd64
+        test_build: true

architecture/main.go

@@ -39,6 +39,7 @@ var distro = []struct {
 	{"linux", "arm", "7", "", "", "", "arm v7"},
 	{"linux", "arm64", "8", "", "", "", "arm v8"},
 	{"linux", "386", "", "i386", "", "", ""},
+	{"dragonfly", "amd64", "", "", "", "chainguard/dragonfly", ""},
 }
 
 // setDefault returns the variable value read using os.Getenv and d when the value read is empty.