Bump systemd from 0.8.2 to 0.9.0

Bumps [systemd](https://github.com/jmesmon/rust-systemd) from 0.8.2 to 0.9.0.
- [Release notes](https://github.com/jmesmon/rust-systemd/releases)
- [Changelog](https://github.com/jmesmon/rust-systemd/blob/master/release.toml)
- [Commits](https://github.com/jmesmon/rust-systemd/commits)

---
updated-dependencies:
- dependency-name: systemd
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -725,9 +725,9 @@ dependencies = [
 
 [[package]]
 name = "libsystemd-sys"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e03fd580bcecda68dcdcd5297085ade6a3dc552cd8b030d2b94a9b089ef7ab8"
+checksum = "c68c9b25d61a54754b491e1cb848e644ff90b6c11f6f11f9d2c170b7d2cd83b3"
 dependencies = [
  "build-env",
  "libc",
@@ -1216,9 +1216,9 @@ dependencies = [
 
 [[package]]
 name = "systemd"
-version = "0.8.2"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f722cabda922e471742300045f56dbaa53fafbb4520fca304e51258019bfe91d"
+checksum = "fe03808323f01aefb68591de263b994ffeb671af1fe040858dc820ed7b681996"
 dependencies = [
  "cstr-argument",
  "foreign-types",

crates/libcgroups/Cargo.toml

@@ -15,7 +15,7 @@ procfs = "0.11.0"
 log = "0.4"
 anyhow = "1.0"
 oci-spec = { git = "https://github.com/containers/oci-spec-rs",  rev = "d6fb1e91742313cd0d0085937e2d6df5d4669720" }
-systemd = { version = "0.8", default-features = false, optional = true }
+systemd = { version = "0.9", default-features = false, optional = true }
 dbus = "0.9.5"
 serde = { version = "1.0", features = ["derive"] }
 rbpf = {version = "0.1.0", optional = true }

crates/libcontainer/Cargo.toml

@@ -30,7 +30,7 @@ libcgroups = { version = "0.1.0", path = "../libcgroups" }
 libseccomp = { version = "0.1.0", path = "../libseccomp" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-systemd = { version = "0.8", default-features = false, optional = true }
+systemd = { version = "0.9", default-features = false, optional = true }
 
 [dev-dependencies]
 oci-spec = { git = "https://github.com/containers/oci-spec-rs",  rev = "d6fb1e91742313cd0d0085937e2d6df5d4669720", features = ["proptests"] }