Replace interface{} with any (#25686) (#25687)

Same perl replacement as https://github.com/go-gitea/gitea/pull/25686
but for 1.20 to ease future backporting.

routers/web/admin/stacktrace.go

@@ -42,7 +42,7 @@ func Stacktrace(ctx *context.Context) {
 func StacktraceCancel(ctx *context.Context) {
 	pid := ctx.Params("pid")
 	process.GetManager().Cancel(process.IDType(pid))
-	ctx.JSON(http.StatusOK, map[string]interface{}{
+	ctx.JSON(http.StatusOK, map[string]any{
 		"redirect": setting.AppSubURL + "/admin/monitor/stacktrace",
 	})
 }