fix issues with gosec and staticcheck

cmd/indieauth-server/main.go

@@ -7,13 +7,6 @@ import (
 	"codeflow.dananglin.me.uk/apollo/indieauth-server/internal/executors"
 )
 
-var (
-	binaryVersion string
-	buildTime     string
-	goVersion     string
-	gitCommit     string
-)
-
 func main() {
 	// Set up logging
 	loggingLevel := new(slog.LevelVar)

internal/executors/version.go

@@ -52,7 +52,7 @@ func (e *versionExecutor) printVersion() {
 	_, _ = tableWriter.Write([]byte("Go version:" + "\t" + info.GoVersion + "\n"))
 	_, _ = tableWriter.Write([]byte("Build date:" + "\t" + info.BuildTime + "\n"))
 
-	tableWriter.Flush()
+	_ = tableWriter.Flush()
 
-	os.Stdout.WriteString(builder.String())
+	_, _ = os.Stdout.WriteString(builder.String())
 }