Release 0.20.0

Prepare for release of 0.20.0. From now on we are going to publish (and
bump) the libbpf-rs and libbpf-cargo crates in unison, with equal
version numbers. Doing so simplifies publish workflows and git tag
creation, and impact on users should be minimal.

Signed-off-by: Daniel Müller <deso@posteo.net>

Author: d-e-s-o

Cargo.lock

@@ -5,8 +5,8 @@ repository = "https://github.com/libbpf/libbpf-rs"
 homepage = "https://github.com/libbpf/libbpf-rs"
 documentation = "https://docs.rs/crate/libbpf-cargo"
 readme = "../README.md"
-version = "0.13.1"
-authors = ["Daniel Xu <dxu@dxuuu.xyz>"]
+version = "0.20.0"
+authors = ["Daniel Xu <dxu@dxuuu.xyz>", "Daniel Müller <deso@posteo.net>"]
 edition = "2021"
 rust-version = "1.58"
 license = "LGPL-2.1-only OR BSD-2-Clause"

libbpf-cargo/Cargo.toml

@@ -4,8 +4,8 @@ description = "libbpf-rs is a safe, idiomatic, and opinionated wrapper around li
 repository = "https://github.com/libbpf/libbpf-rs"
 homepage = "https://github.com/libbpf/libbpf-rs"
 readme = "../README.md"
-version = "0.19.1"
-authors = ["Daniel Xu <dxu@dxuuu.xyz>"]
+version = "0.20.0"
+authors = ["Daniel Xu <dxu@dxuuu.xyz>", "Daniel Müller <deso@posteo.net>"]
 edition = "2021"
 rust-version = "1.58"
 license = "LGPL-2.1-only OR BSD-2-Clause"