Update dependency uv to v0.8.21 (#119)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

mise.toml

@@ -1,7 +1,7 @@
 [tools]
 # Basic technologies used in the repository
 python = "3.13.7"
-uv = "0.8.20"
+uv = "0.8.21"
 
 # Common tools
 prettier = "3.6.2"