chore(deps): update rcgen requirement from 0.13 to 0.14 (#391)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Lalit Kumar Bhasin <lalit_fin@yahoo.com>

Author: dependabot[bot]

opentelemetry-exporter-geneva/geneva-uploader/Cargo.toml

@@ -29,7 +29,7 @@ default = ["self_signed_certs"] # TODO - remove this feature before release
 
 [dev-dependencies]
 tokio = { version = "1", features = ["full"] }
-rcgen = "0.13"
+rcgen = "0.14"
 openssl = { version = "0.10", features = ["vendored"] }
 tempfile = "3.5"
 wiremock = "0.6"

opentelemetry-exporter-geneva/geneva-uploader/src/config_service/mod.rs

@@ -36,7 +36,7 @@ mod tests {
 
         // The correct methods for rcgen 0.13:
         let cert_der = cert.cert.der().as_ref().to_vec();
-        let key_der = cert.key_pair.serialize_der();
+        let key_der = cert.signing_key.serialize_der();
 
         // Convert to OpenSSL types
         let x509 = X509::from_der(&cert_der).unwrap();