Set library version for CLI crate

Author: djc

rustls-cert-gen/Cargo.toml

@@ -13,7 +13,7 @@ ring = ["dep:ring", "rcgen/ring"]
 fips = ["aws_lc_rs", "aws-lc-rs?/fips"]
 
 [dependencies]
-rcgen = { path = "../rcgen", default-features = false, features = ["pem"] }
+rcgen = { version = "0.13", path = "../rcgen", default-features = false, features = ["pem"] }
 bpaf = { version = "0.9.5", features = ["derive"] }
 pem = { workspace = true }
 pki-types = { workspace = true }