Fix import ordering to satisfy goimports lint check

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: JohnBreault

cmd/pull.go

@@ -1,9 +1,9 @@
 package cmd
 
 import (
+	usererrors "errors"
 	"strings"
 
-	usererrors "errors"
 	"github.com/github/codeql-action-sync/internal/cachedirectory"
 	"github.com/github/codeql-action-sync/internal/pull"
 	"github.com/github/codeql-action-sync/internal/version"