Replace common.ToPtr with Go 1.26 builtin new and add go fix to CI

internal/config/env.go

@@ -7,7 +7,6 @@ import (
 	"time"
 
 	"go.aykhans.me/sarin/internal/types"
-	"go.aykhans.me/utils/common"
 	utilsParse "go.aykhans.me/utils/parser"
 )
 
@@ -67,7 +66,7 @@ func (parser ConfigENVParser) Parse() (*Config, error) {
 	}
 
 	if output := parser.getEnv("OUTPUT"); output != "" {
-		config.Output = common.ToPtr(ConfigOutputType(output))
+		config.Output = new(ConfigOutputType(output))
 	}
 
 	if insecure := parser.getEnv("INSECURE"); insecure != "" {