Fix non-constant log strings

Newer versions of the go compiler (1.24 in this case) fail when running
go test during a mock rebuild of the srpm created by 'make srpm' on
Fedora 42.

Even though we currently don't support go1.24, fix these so they don't
become an issue when we do.

cmd/osbuild-composer/main.go

@@ -131,7 +131,7 @@ func main() {
 
 	listeners, err := activation.ListenersWithNames()
 	if err != nil {
-		logrus.Fatalf("Could not get listening sockets: " + err.Error())
+		logrus.Fatalf("Could not get listening sockets: %v", err)
 	}
 
 	if l, exists := listeners["osbuild-composer.socket"]; exists {

cmd/osbuild-worker-executor/handler_build.go

@@ -94,7 +94,7 @@ func runOsbuild(logger *logrus.Logger, buildDir string, control *controlJSON, ou
 	out, err := cmd.CombinedOutput()
 	if err != nil {
 		err = fmt.Errorf("cannot tar output directory: %w, output:\n%s", err, out)
-		logger.Errorf(err.Error())
+		logger.Errorf("%v", err)
 		_, _ = mw.Write([]byte(err.Error()))
 		return "", err
 	}

internal/auth/jwt_auth_handler.go

@@ -26,7 +26,7 @@ func BuildJWTAuthHandler(keysURLs []string, caFile, aclFile string, exclude []st
 		return
 	}
 
-	logger.Info(context.Background(), aclFile)
+	logger.Info(context.Background(), "aclFile = %s", aclFile)
 
 	builder := authentication.NewHandler().
 		Logger(logger)