Merge pull request #27 from tuna2134/renovate/pyo3-0.x

fix(deps): update rust crate pyo3 to 0.20.0

Author: mc_fdc

Cargo.toml

@@ -10,5 +10,5 @@ name = "mizu"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.19.2", features = ["extension-module"] }
+pyo3 = { version = "0.20.0", features = ["extension-module"] }
 pulldown-cmark = "0.9.3"