Bump libc from 0.2.120 to 0.2.121

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.120 to 0.2.121.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.120...0.2.121)

---
updated-dependencies:
- dependency-name: libc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -1236,9 +1236,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad5c14e80759d0939d013e6ca49930e59fc53dd8e5009132f76240c179380c09"
+checksum = "efaa7b300f3b5fe8eb6bf21ce3895e1751d9665086af2d64b42f19701015ff4f"
 
 [[package]]
 name = "libdbus-sys"

Cargo.toml

@@ -45,7 +45,7 @@ regex = "1"
 ioctl-rs = { version = "0.2", optional = true }
 serde_cbor = "0.11.2"
 pancurses = { version = "0.17.0", optional = true }
-libc = "0.2.120"
+libc = "0.2.121"
 parse_duration = "2.1.1"
 
 [dependencies.rspotify]