Bump rustls-pemfile from 0.2.1 to 0.3.0

Bumps [rustls-pemfile](https://github.com/rustls/pemfile) from 0.2.1 to 0.3.0.
- [Release notes](https://github.com/rustls/pemfile/releases)
- [Commits](rustls/pemfile@v/0.2.1...v/0.3.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -64,7 +64,7 @@ tracing = "0.1"
 tracing-appender = "0.1.2"
 hyper = { version = "0.14.17", features = ["server"] }
 rustls = "0.20.4"
-rustls-pemfile = "0.2.1"
+rustls-pemfile = "0.3.0"
 tokio-rustls = "0.23.2"
 tokio-stream = { version = "0.1.8", features = ["net"] }