chore(deps): update go toolchain directive to v1.27.2 (#39685) (#39687)

Backport #39685 by @GiteaBot

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [go](https://go.dev/)
([source](https://redirect.github.com/golang/go)) | toolchain | patch |
`1.27.1` → `1.27.2` |

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modules/web/routing/funcinfo.go

@@ -135,8 +135,8 @@ func shortenFilename(filename, fallback string) string {
 	if filename == "" {
 		return fallback
 	}
-	if lastIndex := strings.LastIndexByte(filename, '/'); lastIndex >= 0 {
-		if secondLastIndex := strings.LastIndexByte(filename[:lastIndex], '/'); secondLastIndex >= 0 {
+	if dir, _, ok := strings.CutLast(filename, "/"); ok {
+		if secondLastIndex := strings.LastIndexByte(dir, '/'); secondLastIndex >= 0 {
 			return filename[secondLastIndex+1:]
 		}
 	}