\documentclass[12pt]{article}
Vous pouvez utiliser `\captionsetup[table]{list=no}` :
\documentclass{article}
\usepackage{tabularray}
\usepackage{tblr-extras}
\UseTblrLibrary{caption}
\begin{document}
{
\captionsetup[table]{list=no}
\begin{talltblr}
[ caption={Not in LoT}, label=foo]
{ colspec = { Q Q }, hlines, vlines }
8 & the text in the cell \\ G & another text \\
\end{talltblr}
}
\begin{talltblr}
[ caption={In LoT}, label=quack, entry=quack! ]
{ colspec = { Q Q }, hlines, vlines }
8 & the text in the cell \\ G & another text \\
\end{talltblr}
\listoftables
\end{document}
