Bump Cargo.toml `rust-version` to `1.93.1`

MSRV discussion settled on `1.93.1` to align with upcoming Debian stable releases

diff --git a/Cargo.toml b/Cargo.toml
index dcfec7452e01ad67247769e3b81465dd420c2669..3eed5de2deadbce5d99504e2178ee6282bcac1d4 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ keywords = ["prolog", "prolog-interpreter", "prolog-system"]
 categories = ["command-line-utilities"]
 build = "build/main.rs"
 # Remember to check CI
-rust-version = "1.85"
+rust-version = "1.93.1"
 
 [lib]
 crate-type = ["cdylib", "rlib"]