build(deps): Update rustls-pemfile requirement from 1.0.3 to 2.0.0

Updates the requirements on [rustls-pemfile](https://github.com/rustls/pemfile) to permit the latest version.
- [Release notes](https://github.com/rustls/pemfile/releases)
- [Commits](rustls/pemfile@v/1.0.3...v/2.0.0)

---
updated-dependencies:
- dependency-name: rustls-pemfile
  dependency-type: direct:production
...

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

core/network/Cargo.toml

@@ -22,7 +22,7 @@ rand = "0.8.5"
 random-manager = "0.0.5" # https://crates.io/crates/random-manager/versions
 rcgen = { version = "0.11.3", features = ["pem", "x509-parser"] }
 rsa = { version = "0.9.2", features = ["pem"] } # https://crates.io/crates/rsa
-rustls-pemfile = "1.0.3"
+rustls-pemfile = "2.0.0"
 x509-parser = "0.15.1"
 # for feature "pem"
 pem = { version = "3.0.0", optional = true } # https://github.com/jcreekmore/pem-rs