Merge pull request #371 from PyO3/dependabot/cargo/examples/namespace_package/pyo3-0.20.0

build(deps): bump pyo3 from 0.19.2 to 0.20.0 in /examples/namespace_package

Author: davidhewitt

examples/namespace_package/Cargo.lock

@@ -18,4 +18,4 @@ path = "rust/lib.rs"  # When omitted, the value of "src/lib.rs" is assumed
 # path = "src/lib.rs"
 
 [dependencies]
-pyo3 = { version = "0.19.2", features = ["extension-module"] }
+pyo3 = { version = "0.20.0", features = ["extension-module"] }