pixi.toml : add nanobind dependency

Author: ManifoldFR

pixi.toml

@@ -23,6 +23,7 @@ assimp = ">=5.4"
 numpy = ">=1.22.0"
 python = ">=3.9.0"
 eigenpy = ">=3.7.0"
+nanobind = ">=2.5.0"
 # XML generation seem to be broken in some doxygen version
 doxygen = "<1.9.8|>=1.11,<1.13"
 lxml = ">=5.3"