Bump pyo3 dependency to v0.28.1

Author: althonos

sphinxcontrib/svgbob/_svgbob/Cargo.lock

@@ -22,9 +22,9 @@ version = "0.7.5"
 features = ["chrono", "dependency-tree"]
 
 [dependencies.pyo3]
-version = "0.23.3"
+version = "0.28.1"
 [dependencies.pyo3-built]
-version = "0.5.0"
+version = "0.6.0"
 [dependencies.svgbob]
 version = "0.7.2"