* fix: emb req accept list of tokens

Signed-off-by: Keming <kemingyang@tensorchord.ai>

* add emb req test

Signed-off-by: Keming <kemingyang@tensorchord.ai>

* add py 3.12 test in ci

Signed-off-by: Keming <kemingyang@tensorchord.ai>

* update pdm lock

Signed-off-by: Keming <kemingyang@tensorchord.ai>

---------

Signed-off-by: Keming <kemingyang@tensorchord.ai>