Update dependency sentencepiece to v0.2.1 [SECURITY]

Author: renovate[bot]

visual-retrieval-colpali/src/requirements.txt

@@ -421,7 +421,7 @@ sentence-transformers==3.1.1
     # via
     #   mteb
     #   vidore-benchmark
-sentencepiece==0.2.0
+sentencepiece==0.2.1
     # via vidore-benchmark
 setuptools==78.1.1
     # via