feat: Add GITHUB_API_KEY support for rate limiting

Author: Your Name

.github/workflows/generate.yml

@@ -21,6 +21,8 @@ jobs:
 
       - name: Generate files
         run: go run .
+        env:
+          GITHUB_API_KEY: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: EndBug/add-and-commit@v9
         with:

go.mod

@@ -10,4 +10,7 @@ require (
 	github.com/shyim/go-version v0.0.0-20250828113848-97ec77491b32
 )
 
-require github.com/google/go-querystring v1.1.0 // indirect
+require (
+	github.com/google/go-querystring v1.1.0 // indirect
+	golang.org/x/oauth2 v0.34.0 // indirect
+)

go.sum

@@ -9,4 +9,6 @@ github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD
 github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/shyim/go-version v0.0.0-20250828113848-97ec77491b32 h1:LEMavffuqxLwefNTQYlTNj/d9yAg5zVPCKvQrtt1/l4=
 github.com/shyim/go-version v0.0.0-20250828113848-97ec77491b32/go.mod h1:z47ygE4N7EC0H58FP5j5cXZtl1pSnfjwYJsHtiVtcwU=
+golang.org/x/oauth2 v0.34.0 h1:hqK/t4AKgbqWkdkcAeI8XLmbK+4m4G5YeQRrmiotGlw=
+golang.org/x/oauth2 v0.34.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

main.go

@@ -2,13 +2,25 @@ package main
 
 import (
 	"context"
+	"os"
 
 	"github.com/google/go-github/v80/github"
+	"golang.org/x/oauth2"
 )
 
 func main() {
 	ctx := context.Background()
-	client := github.NewClient(nil)
+	var client *github.Client
+
+	if token := os.Getenv("GITHUB_API_KEY"); token != "" {
+		ts := oauth2.StaticTokenSource(
+			&oauth2.Token{AccessToken: token},
+		)
+		tc := oauth2.NewClient(ctx, ts)
+		client = github.NewClient(tc)
+	} else {
+		client = github.NewClient(nil)
+	}
 
 	tags, err := getRepositoryTags(ctx, client)